title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 49-1977.
mesh_terms: D000368:Aged; D001021:Aortic Valve / Q000473:pathology; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis / Q000473:pathology*; D003937:Diagnosis, Differential; D005260:Female; D006346:Heart Septum / Q000473:pathology; D006801:Humans; D008943:Mitral Valve / Q000473:pathology; D012214:Rheumatic Heart Disease / Q000175:diagnosis