RT Journal Article SR Electronic T1 Viruses and athletes. 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 281 OP 286 DO 10.1136/bjsm.32.4.281 VO 32 IS 4 A1 C R Madeley YR 1998 UL http://bjsm.bmj.com/content/32/4/281.abstract AB