Criterion-related validity of the short form of the international physical activity questionnaire in adults who are Deaf

International Physical Activity Questionnaire: 12-Country Reliability and Validity

Cora L. Craig, Alison L. Marshall, Adrian Bauman et al. · Medicine & Science in Sports & Exercise · 2003 · 21.6K citations

Education, Kinesiology, Exercise Testing +14

Physical activity, exercise, and physical fitness: definitions and distinctions for health-related research.

Carl J. Caspersen, K E Powell, Gregory M. Christenson · PubMed · 1985 · 9.2K citations

Education, Physiology, Exercise Physiology +7

Physical Activity in the United States Measured by Accelerometer

Richard P. Troiano, David Berrigan, Kevin W. Dodd et al. · Medicine & Science in Sports & Exercise · 2008 · 7.7K citations

Public Health, Child Health, Adolescent Health +14

WORLD MEDICAL ASSOCIATION DECLARATION OF HELSINKI: Ethical Principles for Medical Research Involving Human Subjects

Journal of obstetrics and gynaecology research · 2001 · 3.5K citations · Full text

Law, Health Policy, Clinical Research Regulation +13

Measuring agreement in method comparison studies

Martin Bland, D.G. Altman · Statistical Methods in Medical Research · 1999 · 2.8K citations

Pharmacy, Educational Measurement, Method Validation +8