title: Myxoid changes in cardiac valves: pathologic, clinical, and ultrastructural studies.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004695:Endocardial Fibroelastosis / Q000473:pathology*; D004698:Endocarditis, Subacute Bacterial / Q000473:pathology*; D005260:Female; D006330:Heart Defects, Congenital / Q000473:pathology*; D006349:Heart Valve Diseases / Q000473:pathology*; D006351:Heart Valves / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012214:Rheumatic Heart Disease / Q000473:pathology*