title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 3-1976.
mesh_terms: D000293:Adolescent; D001021:Aortic Valve / Q000293:injuries* / Q000601:surgery; D001022:Aortic Valve Insufficiency / Q000175:diagnosis / Q000209:etiology / Q000473:pathology*; D001265:Athletic Injuries / Q000175:diagnosis / Q000209:etiology / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male