Back Pain in Young Athletes
Arch Pediatr Adolesc Med 149:15-18, Micheli,L.J.&Wood,R., 1995
Report of a Recurrent Cerebral Venous Thrombosis in a Young Athlete
BMC Neurology 14:182-185, Richard, S.,et al, 2014
Head Injury in Sport
BMJ 308:1620-1624, McLatchie,G.&Jennett,B., 1994
High-Altitude Retinopathy
JAMA 245:581-586, McFadden,D.M.,et al, 1981