TY - BOOK ID - 5378939 TI - Assessing physical fitness and physical activity in population-based surveys. PY - 1989 VL - 89-1253 SN - 0840603924 PB - Hyattsville, Md. : Washington, D.C. : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics ; For sale by the Supt. of Docs., U.S. G.P.O., DB - UniCat KW - Data Collection KW - Exertion. KW - Health Surveys. KW - Physical Fitness. KW - Physical fitness KW - Exercise KW - Health surveys. KW - Health surveys KW - Endurance KW - Santé publique KW - methods. KW - Measurement. KW - Mesure KW - Enquêtes KW - Santé publique KW - Enquêtes UR - https://www.unicat.be/uniCat?func=search&query=sysid:5378939 AB - ER -