1. Cardiac Evaluation for Participation in School Sports: Policy Statement;American Academy of Pediatrics,1977
2. Committee on Standards of Child Health Care: Standards of Child Health Care;American Academy of Pediatrics,1977
3. Guidelines for Graded Exercise Testing;American College of Sports Medicine,1980
4. Medical Evaluation of the Athlete — A Guide;American Medical Association,1976
5. Sports medicine;Garrick;Pediatr. Clin. North Am.,1977