Follow

Submissions from 2009

Genetic polymorphisms in the cyclooxygenase-1 and cyclooxygenase-2 genes and risk of colorectal adenoma, Zhihong Gong, Roberd M. Bostick, Dawen Xie, Thomas G. Hurley, Zonglin Deng, Dan A. Dixon, Jinhui Zhang, and James R. Hébert

PDF

A Cost Analysis of a Physical Activity Intervention for Older Adults, Erik J. Groessl, Robert M. Kaplan, Steven N. Blair, W. Jack Rejeski, Jeffrey A. Katula, Abby C. King, Roger A. Fielding, Nancy W. Glynn, and Marco Pahor

PDF

Circadian Disruption, Per3, and Human Cytokine Secretion, Jaclyn Guess, James B. Burch, Kisito Ogoussan, Cheryl A. Armstead, Hongmei Zhang, Sara Wagner, James R. Hébert, Patricia Wood, Shawn D. Youngstedt, Lorne J. Hofseth, Udai P. Singh, Dawen Xie, and William J. M. Hrushesky

Link

Physical activity: Health outcomes and importance for public health policy., William L. Haskell, Steven N. Blair, and James O. Hill

PDF

Interdisciplinary, Translational, and Community-Based Participatory Research: Finding a Common Language to Improve Cancer Research, James R. Hébert, Heather M. Brandt, Cheryl A. Armstead, Swann Arp Adams, and Susan E. Steck

PDF

Mapping Cancer Mortality-to-Incidence Ratios to Illustrate Racial and Sex Disparities in a High-risk Population, James R. Hébert, Virginie Daguise, Deborah M. Hurley, Rebecca C. Wilkerson, Catishia M. Mosley, Swann Arp Adams, Robin C. Puett, James B. Burch, Susan E. Steck, and Susan Bolick-Aldrich

PDF

Role of lifestyle and aging on the longitudinal change in cardiorespiratory fitness, Andrew S. Jackson, Xuemei Sui, James R. Hébert, Timothy S. Church, and Steven N. Blair

Link

Metabolic syndrome and risk of cancer mortality in men., Jason R. Jaggers, Xuemei Sui, Steven P. Hooker, Michael J. LaMonte, Charles E. Matthews, Gregory A. Hand, and Steven N. Blair

Link

Ideal Weight and Weight Satisfaction: Association with Health Practices, Jennifer L. Kuk, Chris I. Arden, Timothy S. Church, James R. Herbert, Xuemei Sui, and Steven N. Blair

Ideal Weight and Weight Satisfaction: Association With Health Practices, Jennifer L. Kuk, Chris I. Ardern, Timothy S. Church, James R. Hébert, Xuemei Sui, and Steven N. Blair

Link

Does physical activity ameliorate the health hazards of obesity?, D C. Lee, X Sui, and Steven N. Blair

Link

Acculturation, physical activity, and obesity among Hispanic adolescents, Jihong Liu, Janice C. Probst, Nusrat Harun, Kevin J. Bennett, and Myriam E. Torres

Link

The Association between Cardiorespiratory Fitness and Risk of All-Cause Mortality among Women With Impaired Fasting Glucose or Undiagnosed Diabetes Mellitus., G. W. Lyerly, Xuemei Sui, Carl J. Lavie, Timothy S. Church, Gregory A. Hand, and Steven N. Blair

Number of 24-Hour Diet Recalls Needed to Estimate Energy Intake, Yunsheng Ma, Barbara C. Olendzki, Sherry L. Pagoto, Thomas G. Hurley, Robert P. Magner, Ira S. Ockene, Kristin L. Schneider, Philip A. Merriam, and James R. Hébert

Link

The Joint Effects of Cardiorespiratory Fitness and Adiposity on Mortality Risk in Men with Hypertension, Paul A. McAuley, Xuemei Sui, Timothy S. Church, James W. Hardin, Johnathan W. Hardin, and Steven N. Blair

PDF

PAH-DNA Adducts, Cigarette Smoking, GST Polymorphisms, and Breast Cancer Risk, Kathleen M. McCarty, Regina M. Santella, Susan E. Steck, Rebecca J. Cleveland, Jiyoung Ahn, Christine B. Ambrosone, Kari North, Sharon K. Sagiv, Sybil M. Eng, Susan L. Teitelbaum, Alfred I. Neugut, and Marilie D. Gammon

PDF

Carbohydrate Intake and Overweight and Obesity among Healthy Adults, Anwar T. Merchant, Hassanali Vatanparast, Shahzaib Barlas, Mahshid Dehghan, Syed Mahboob Ali Shah, Lawrence De Koning, and Susan E. Steck

Link

Accumulated versus Continuous Exercise for Health Benefit, Marie H. Murphy, Steven N. Blair, and Elaine M. Murtagh

Link

Disparities in Dietary Intake, Meal Patterning, and Home Food Environments Among Young Adult Nonstudents and 2- and 4-Year College Students, Melissa C. Nelson, Nicole I. Larson, Daheia J. Barr-Anderson, Dianne R. Neumark-Sztainer, and Mary Story

PDF

Reasons Why Women Do Not Initiate Breastfeeding: A Southeastern State Study, Chinelo A. Ogbuanu, Janice C. Probst, Sarah B. Laditka, Jihong Liu, JongDeuk Baek, and Saundra Glover

PDF

Can we apply the Mendelian randomization methodology without considering epigenetic effects?, Ikechkwu U. Ogbuanu, Hongmei Zhang, and Wilfried J. Karmaus

Tobacco use, body mass and cancer mortality in Mumbai Cohort Study, Mangesh S. Pednekar, James R. Hébert, and Prakash C. Gupta

A prospective study of cardiorespiratory fitness and breast cancer mortality, J. Brent Peel, Xuemei Sui, Swann Arp Adams, James R. Hébert, James W. Hardin, and Steven N. Blair

Link

Cardiorespiratory Fitness and Digestive Cancer Mortality: Findings from the Aerobics Center Longitudinal Study, J. Brent Peel, Xuemei Sui, Charles E. Matthews, Swann A. Adams, James R. Hebert, James W. Hardin, Timothy S. Church, and Steven N. Blair

PDF

Cardiorespiratory fitness and digestive cancer mortality: findings from the Aerobics Center Longitudinal Study (ACLS), J. Brent Peel, Xuemei Sui, Charles E. Matthews, Swann Arp Adams, James R. Hébert, James W. Hardin, Timothy S. Church, and Steven N. Blair

PDF

Prospective associations between objective measures of physical activity and fat mass in 12-14 year old children: the Avon Longitudinal Study of Parents and Children (ALSPAC), Chris J. Riddoch, Sam D. Leary, Andy R. Ness, Steven N. Blair, Kevin Deere, Calum Mattocks, Alex Griffiths, George Davey Smith, and Kate Tilling

Link

Prevention and Reduction of Obesity through Active Living (PROACTIVE): rationale, design and methods., R. Ross, Steven N. Blair, M. Goodwin, S. Hotz, P T. Katzmarzyk, M Lam, L. Levesque, and S MacDonald

Muscular strength and adiposity as predictors of adulthood cancer mortality in men, Jonatan R. Ruiz, Xuemei Sui, Felipe Lobelo, Duck-chul Lee, James R. Morrow Jr., Allen W. Jackson, James R. Hébert, Charles E. Matthews, Michael Sjöström, and Steven N. Blair

Link

Muscular Strength and Adiposity as Predictors of Adulthood Cancer Mortality in Men, Jonatha R. Ruiz, Xuemei Sui, Felipe Lobelo, Duck-Chul Lee, James R. Morrow, Allen W. Jackson, James R. Herbert, Charles E. Matthews, Michael Sjöström, and Steven N. Blair

PDF

Associations between Cardiorespiratory Fitness and Health-Related Quality of Life, Robert A. Sloan, Susumu S. Sawada, Corby K. Martin, Timothy S. Church, and Steven N. Blair

PDF

GST Polymorphism and Excretion of Heterocyclic Aromatic Amine and Isothiocyanate Metabolites after Brassica Consumption, Susan E. Steck and James R. Hébert

Link

Prospective study of cardiorespiratory fitness and depressive symptoms in women and men., Xuemei Sui, James N. Laditka, Timiothy S. Church, James W. Hardin, Nancy Chase, Keith Davis, and Steven N. Blair

Effects of exercise modality on insulin resistance and functional limitation in older adults, Barry Vaughn, Timothy Church, and Steven N. Blair

PDF

Soil zinc content, groundwater usage, and prostate cancer incidence in South Carolina, Sara E. Wagner, James B. Burch, Jim Hussey, Tom Temples, Susan Bolick-Aldrich, Catishia Mosley-Broughton, Yuan Liu, and James R. Hébert

Link

Does Participation in Organized Sports Predict Future Physical Activity for Adolescents from Diverse Economic Backgrounds?, Stephanie Walters, Daheia J. Barr-Anderson, Melanie Wall, and Dianne R. Neumark-Sztainer

Reflections on Lupus and the Environment in an Urban African American Community, Edith M. Williams, Luis E. Zayas, Judith Anderson, Adrianne Ransom, and Laurene Tumiel-Berhalter

Designing sample plans to capture rare objects, Hongmei Zhang

Inferences for Genotyping Error Rate in Ancestry Identification From Simple Sequence Repeat Marker Profiles, Hongmei Zhang and Hal Stern

PDF

Sample Size Calculation for Finding Unseen Species, Hongmei Zhang and Hal Stern

A simple method for phylogenomic inference using the information of gene content of genomes, Hongmei Zhang, Yang Zhong, Bailin Hao, and Xun Gu

Submissions from 2008

Link

But I Like PE: Factors Associated With Enjoyment of Physical Education Class in Middle School Girls, Daheia J. Barr-Anderson, Dianne R. Neumark-Sztainer, Kathryn H. Schmitz, Dianne S. Ward, Terry L. Conway, Charlotte Pratt, Chris D. Baggett, Leslie A. Lytle, and Russell R. Pate

Link

Characteristics Associated With Older Adolescents Who Have a Television in Their Bedrooms, Daheia J. Barr-Anderson, Patricia van den Berg, Dianne R. Neumark-Sztainer, and Mary Story

Gender Differences in Predictors of Body Weight and Body Weight Change in Healthy Adults, David E. Chiriboga, Yunsheng Ma, Wenjun Li, Barbara C. Olendzki, Sherry L. Pagoto, Philip A. Merriam, Charles E. Matthews, James R. Hébert, and Ira S. Ockene

PDF

Heart Rate Variability Characteristics in Sedentary Postmenopausal Women Following Six Months of Exercise Training: The DREW Study, Conrad P. Earnest, Carl J. Lavie, Steven N. Blair, and Timothy S. Church

Soy intake and breast cancer: elucidation of an unanswered question, Marilie D. Gammon, Brian N. Fink, Susan E. Steck, and Mary S. Wolff

PDF

Cardiorespiratory Fitness as a Predictor of Fatal and Nonfatal Stroke in Asymptomatic Women and Men, Steven P. Hooker, Xuemei Sui, Natalie Colabianchi, John E. Vena, James N. Laditka, Michael J. LaMonte, and Steven N. Blair

Link

International conference on physical activity and obesity in children: summary statement and recommendations, Peter T. Katzmarzyk, Louise A. Baur, Steven N. Blair, Estelle V. Lambert, Jean-Michel Opper, and Chris Riddoch

PDF

Physical Activity and Blood Pressure in Childhood: Findings From a Population-Based Study, Sam D. Leary, Andy R. Ness, George Davey Smith, Calum Mattocks, Kevin Deere, Steven N. Blair, and Chris J. Riddoch

Effects of Cardiorespiratory Fitness on Serum Ferritin Concentration and Incidence of Type 2 Diabetes: Evidence from the Aerobics Center Longitudinal Study (ACLS), Tuan D. Le, Sejong Bae, Chiehwen Ed Hsu, Karan P. Singh, Steven N. Blair, and Ning Shang

Link

Urban-Rural Differences in Overweight Status and Physical Inactivity Among US Children Aged 10-17 Years, Jihong Liu, Kevin J. Bennett, Nusrat Harun, and Janice C. Probst

Link

Does Physical Activity During Pregnancy Reduce the Risk of Gestational Diabetes among Previously Inactive Women?, Jihong Liu, James N. Laditka, Elizabeth J. Mayer-Davis, and Russell R. Pate

23-Gauge Vitrectomy in 100 Eyes: Short-Term Visual Outcomes and Complications, McGregor N. Lott, Michael H. Manning, Jasleen Singh, Hongmei Zhang, Harinderjit Singh, and Dennis M. Marcus

Clinical trials report, G. Lyerly, Timothy Church, and Steven N. Blair

PDF

Maximal Exercise Electrocardiography Responses and Coronary Heart Disease Mortality Among Men With Diabetes Mellitus, G. William Lyerly, Xuemei Sui, Timothy S. Church, Carl J. Lavie, Gregory A. Hand, and Steven N. Blair

PDF

Early life determinants of physical activity in 11 to 12 year olds: cohort study, Calum Mattocks, Kevin Deere, Sam D. Leary, Andy R. Ness, Kate Tilling, Steven N. Blair, and Chris J. Riddoch

PDF

Use of Accelerometers in a Large Field-Based Study of Children: Protocols, Design Issues, and Effects on Precision, Calum Mattocks, Andy R. Ness, Sam D. Leary, Kate Tilling, Steven N. Blair, Julian Shield, Kevin Deere, Joanne Saunders, Joanne Krikby, George Davey Smith, Jonathan Wells, Nicholas Wareham, John J. Reilly, and Chris J. Riddoch

Association between dietary fiber and markers of systemic inflammation in the Women's Health Initiative Observational Study, Yunsheng Ma, James R. Hébert, Wenjun Li, Elizabeth R. Bertone-Johnson, Barbara C. Olendzki, Sherry L. Pagoto, Lesley Tinker, Milagros C. Rosal, Ira S. Ockene, Judith K. Ockene, Jennifer A. Griffith, and Simin Liu

A randomized clinical trial comparing low-glycemic index versus ADA dietary education among individuals with type 2 diabetes, Yunsheng Ma, Barbara C. Olendzki, Philip A. Merriam, David E. Chiriboga, Annie L. Culver, Wenjun Li, James R. Hébert, Ira S. Ockene, Jennifer A. Griffith, and Sherry L. Pagoto

Underreporting of energy intake and associated factors in a Latino population at risk of developing type 2 diabetes, Barbara C. Olendzki, Yunsheng Ma, James R. Hébert, Sherry L. Pagoto, Philip A. Merriam, Milagros C. Rosal, and Ira S. Ockene

. Daily Steps in Midlife and Older Adults: Relationship with Demographic, Self-Rated Health, and Self-reported Physical Activity, Tamara Payn, Karin A. Pfeiffer, Brent Hutto, John E. Vena, Michael J. LaMonte, Steven N. Blair, and Steven P. Hooker

Joint effects of tobacco use and body mass on all-cause mortality in Mumbai, India: results from a population-based cohort study, Mangesh S. Pednekar, Prakash C. Gupta, James R. Hébert, and Matti Hakama

Association of body mass index with all-cause and cause-specific mortality: findings from a prospective cohort study in Mumbai (Bombay), India, Mangesh S. Pednekar, Matti Hakama, James R. Hébert, and Prakash C. Gupta

Link

A Major Haplotype Block at the Rho-Associated Kinase 2 Locus Is Associated with a Lower Risk of Hypertension in a Recessive Manner: The HYPGENE Study, Tuomo Rankinen, Timothy Church, Treva Rice, Nathan Markward, Steven N. Blair, and Claude Bouchard

PDF

Association between muscular strength and mortality in men: prospective cohort study, Jonatan R. Ruiz, Xuemei Sui, Felipe Lobelo, James R. Morrow Jr., Allen W. Jackson, Michael Sjöström, and Steven N. Blair

Immunizations in Children with Special Health Care Needs in a Medical Home Model of Care, Ronald C. Samuels, Jihong Liu, Lisa A. Sofis, and Judith S. Palfrey

Link

. Body Mass Index as Predictor of Hypertension Incidence Among initially Healthy Normotensive Women, Sara L. Shuger, Xuemei Sui, Timothy S. Church, Rebecca A. Meriwether, and Steven N. Blair

Link

Physical Activity in Adolescents: From Associations to Interventions, John R. Sirard and Daheia J. Barr-Anderson

PDF

Breast Cancer Survival among Economically Disadvantaged Women: The Influences of Delayed Diagnosis and Treatment on Mortality, Emily Rose Smith, Swann Arp Adams, Irene Prabhu Das, Matteo Bottai, Jeanette Fulton, and James R. Hébert

PDF

Polymorphisms in Methionine Synthase, Methionine Synthase Reductase and Serine Hydroxymethyltransferase, Folate and Alcohol Intake, and Colon Cancer Risk, Susan E. Steck, Temitope O. Keku, Lesley M. Butler, Joseph Galanko, Beri Massa, Robert C. Millikan, and Robert S. Sandler

Link

Uric Acid and the Development of Metabolic Syndrome in Women and Men, Xuemei Sui, Timothy S. Church, Rebecca A. Meriwether, Felipe Lobelo, and Steven N. Blair

PDF

The Community-Driven Approach to Environmental Exposures: How a Community-Based Participatory Research Program Analyzing Impacts of Environmental Exposure on Lupus Led to a Toxic Site Cleanup, Julien A. Terrell, Edith M. Williams, Christine M. Murekeyisoni, Robert Watkins, and Laurene Tumiel-Berhalter

Link

Inflammation and exercise (INFLAME): Study rationale, design, and methods, A M. Thompson, C R. Mikus, R Q. Rodarte, B Distefano, E L. Priest, E Sinclair, C P. Earnest, S N. Blair, and T S. Church

PDF

Where's the Kale? Environmental Availability of Fruits and Vegetables in Two Racially Dissimilar Communities, Edith M. Williams, Bamidele O. Tayo, Beverly McLean, Ellen Smit, Christopher T. Sempos, and Carlos J. Crespo

A Bayesian hierarchical modeling approach for studying the factors affecting the stage at diagnosis of prostate cancer, Huafeng Zhou, Andrew B. Lawson, James R. Hébert, Elizabeth H. Slate, and Elizabeth G. Hill

Joint spatial survival modeling for the age at diagnosis and the vital outcome of prostate cancer, Huafeng Zhou, Andrew B. Lawson, James R. Hébert, Elizabeth H. Slate, and Elizabeth G. Hill

Submissions from 2007

Link

Structured physical activity and psychosocial correlates in middle-school girls, Daheia J. Barr-Anderson, Deborah R. Young, James F. Sallis, Dianne R. Neumark-Sztainer, Joel Gittelsohn, Larry Webber, Ruth P. Saunders, Stuart Cohen, and Jared B. Jobe

Link

Effects of Different Doses of Physical Activity on Cardiorespiratory Fitness Among Sedentary, Overweight or Obese Postmenopausal Women With Elevated Blood Pressure: A Randomized Controlled Trial, Timothy S. Church, Conrad P. Earnest, James S. Skinner, and Steven N. Blair

Link

Coronary artery calcium score, risk factors, and incident coronary heart disease events, Timothy S. Church, Benjamin D. Levine, Darren K. McGuire, Michael J. LaMonte, Shannon J. Fitzgerald, Thomas E. Kimball, Steven N. Blair, Larry W. Gibbons, and Milton Z. Nichaman

Link

The inverse relationship between number of steps per day and obesity in a population-based sample – the AusDiab study, T. Dwyer, D. Hosmer, A. J. Venn, C L. Blizzard, R. H. Granger, J. A. Cochrane, Steven N. Blair, J E. Shaw, P. Z. Zimmet, and D. Dunstan

Link

Combined influence of cardiorespiratory fitness and body mass index on cardiovascular disease risk factors among 8–18 year old youth: The Aerobics Center Longitudinal Study, Joey C. Eisenmann, Gregory C. Welk, Eric E. Wickel, and Steven N. Blair

Link

Cardiorespiratory Fitness, Different Measures of Adiposity, and Cancer Mortality in Men, S W. Farrell, G M. Cortese, M J. LaMonte, and S N. Blair

Dietary Flavonoid Intake and Breast Cancer Survival among Women on Long Island, Brian N. Fink, Susan E. Steck, Mary S. Wolff, Julie A. Britton, Geoffrey C. Kabat, Mia M. Gaudet, Page E. Abrahamson, Paula Bell, Jane C. Schroeder, Susan L. Teitelbaum, Alfred I. Neugut, and Marilie D. Gammon

Dietary Flavonoid Intake and Breast Cancer Risk among Women on Long Island, Brian N. Fink, Susan E. Steck, Mary S. Wolff, Julie A. Britton, Geoffrey C. Kabat, Jane C. Schroeder, Susan L. Teitelbaum, Alfred I. Neugut, and Marilie D. Gammon

Link

Retention rates and weight loss in a commercial weight loss program, C E. Finley, C E. Barlow, F. L. Greenway, C. L. Rock, B. J. Rolls, and Steven N. Blair

Common polymorphisms in 5-lipoxygenase and 12-lipoxygenase genes and the risk of incident, sporadic colorectal adenoma, Zhihong Gong, James R. Hébert, Roberd M. Bostick, Zonglin Deng, Thomas G. Hurley, Dan A. Dixon, Daniela Nitcheva, and Dawen Xie

Construct Validity Evidence for Single-Response Items to Estimate Physical Activity Levels in Large Sample Studies, Allen W. Jackson, James R. Morrow, Heather R. Bowles, Shannon J. Fitzgerald, and Steven N. Blair

Link

Disparities in Dental Insurance Coverage and Dental Care Among US Children: The National Survey of Children's Health, Jihong Liu, Janice C. Probst, Amy B. Martin, Jong-Yi Wang, and Carlos F. Salinas

Racial disparities in colon cancer. Primary care endoscopy as a tool to increase screening rates among minority patients, Stephen C. Lloyd, Norman Robert Harvey, James R. Hébert, Virginie Daguise, Deloris Williams, and Delores B. Scott

Clinical trials report, G. William Lyerly and Steven N. Blair

Link

Calibration of an accelerometer during free-living activities in children, Calum Mattocks, Sam Leary, Andy Ness, Kevin Deere, Joanne Saunders, Kate Tilling, Joanne Kirkby, Steven N. Blair, and Chris Riddoch

Link

Independent associations between liver fat, visceral adipose tissue, and metabolic risk factors in men., Kathleen P. McMillan; Jennifer L. Kuk; Timothy S, Church; Steven N. Blair; and Robert Ross

PDF

Physical Activity and Public Health in Older Adults: Recommendation From the American College of Sports Medicine and the American Heart Association, Miriam E. Nelson, W. Jack Rejeski, Steven N. Blair, Pamela W. Duncan, James O. Judge, Abby C. King, Carol A. Macera, and Carmen Castaneda-Sceppa

PDF

Objectively Measured Physical Activity and Fat Mass in a Large Cohort of Children, Andy R. Ness, Sam D. Leary, Calum Mattocks, Steven N. Blair, John J. Reilly, Jonathan Wells, Sue Ingle, Kate Tilling, George Davey Smith, and Chris J. Riddoch

PDF

Effect of Endothelin 1 Genotype on Blood Pressure Is Dependent on Physical Activity or Fitness Levels, Tuomo Rankinen, Timothy S. Church, Treva Rice, Nathan Markward, Arthur S. Leon, Dabeeru C. Rao, James S. Skinner, Steven N. Blair, and Claude Bouchard

Link

Objective measurement of levels and patterns of physical activity., Chris J. Riddoch, Calum Mattocks, Kevin Deere, Jo Saunders, Jo Kirkby, Kate Tilling, Sam D. Leary, Steven N. Blair, and Andy R. Ness

Conjugated Linoleic Acid Supplementation for Twelve Weeks Increases Lean Body Mass in Obese Humans, Susan E. Steck, Allison M. Chalecki, Paul Miller, Jason Conway, Gregory L. Austin, James W. Hardin, Craig D. Albright, and Philippe Thuillier

PDF

GSTM1, GSTT1, GSTP1, and GSTA1 Polymorphisms and Urinary Isothiocyanate Metabolites following Broccoli Consumption in Humans, Susan E. Steck, Marilie D. Gammon, James R. Hébert, Denise E. Wall, and Steven H. Zeisel

Interactions among GSTM1, GSTT1 and GSTP1 polymorphisms, cruciferous vegetable intake and breast cancer risk, Susan E. Steck, Mia M. Gaudet, Julie A. Britton, Susan L. Teitelbaum, Mary Beth Terry, Alfred I. Neugut, Regina M. Santella, and Marilie D. Gammon

Cooked Meat and Risk of Breast Cancer - Lifetime Versus Recent Dietary Intake, Susan E. Steck, Mia M. Gaudet, Sybil M. Eng, Julie A. Britton, Susan L. Teitelbaum, Alfred I. Neugut, Regina M. Santella, and Marilie D. Gammon

Link

Estimated Functional Capacity Predicts Mortality in Older Adults, X Sui, J N. Laditka, J W. Hardin, and S N. Blair