RT Journal Article SR Electronic T1 Comparative body fat assessment in elite footballers JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 278 OP 279 DO 10.1136/bjsm.37.3.278 VO 37 IS 3 A1 L Özçakar A1 A Çetin A1 B Kunduracýo∂lu A1 B Ülkar YR 2003 UL http://bjsm.bmj.com/content/37/3/278.abstract AB