Head Injury in Sport
BMJ 308:1620-1624, McLatchie,G.&Jennett,B., 1994
Little League Baseball and Head Injury
Pediatrics 89:520, Hart,E.J., 1992
Brain Injuries Among Infants, Children, Adolescents, and Young Adults
Am J Dis Child 144:684-691, Kraus,J.F.,et al, 1990