RT Journal Article
SR Electronic
T1 Mr. F. J. M. Johnson
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 48
OP 48
DO 10.1136/bjsm.9.1.48-a
VO 9
IS 1
A1 Robson, H. E.
YR 1975
UL http://bjsm.bmj.com/content/9/1/48.2.abstract
AB