RT Journal Article SR Electronic T1 Fifty years of competitive sport for athletes with disabilities: 1948-1998. 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 138 OP 138 DO 10.1136/bjsm.33.2.138 VO 33 IS 2 A1 Webborn, A D YR 1999 UL http://bjsm.bmj.com/content/33/2/138.abstract AB