TY - BOOK ID - 135247232 TI - Adolescence, a 'risk factor' for physical inactivity AU - Rowland, Thomas W. AU - President's Council on Physical Fitness and Sports (U.S.) PY - 1999 PB - Washington, DC : President's Council on Physical Fitness and Sports, DB - UniCat KW - Exercise KW - Physical education and training KW - Physical fitness for youth KW - Health aspects UR - https://www.unicat.be/uniCat?func=search&query=sysid:135247232 AB - ER -