BMC Medical Research Methodology · 2013 · 65 citations · 34 references
34
Carol Ewing Garber, Bryan Blissmer, Michael R. Deschenes et al. · Medicine & Science in Sports & Exercise · 2011 · 8.8K citations · Full text
American College of Sports Medicine position stand
Carol L. Otis · Medical Entomology and Zoology · 1997 · 4.4K citations
CORONARY HEART-DISEASE AND PHYSICAL ACTIVITY OF WORK
J.N. Morris, J. A. Heady, P. A. B. Raffle et al. · The Lancet · 1953 · 1.7K citations