TY - BOOK AU - Smith,Nathan J. TI - Symposium on sports medicine T2 - The Pediatric clinics of North America, AV - RJ23RJ47 .P4 vol. 29, no. 6 U1 - 618.92 s617/.1027 19 PY - 1982/// CY - Philadelphia PB - Saunders KW - Pediatrics KW - Sports medicine KW - In infancy and childhood KW - Exertion KW - In adolescence N1 - Includes bibliographies and index ER -