title: An electron-microscope study of acid mucopolysaccharide in rheumatic heart lesions.
mesh_terms: D001706:Biopsy; D003094:Collagen; D004699:Endocardium / Q000473:pathology; D006025:Glycosaminoglycans / Q000032:analysis; D006651:Histocytochemistry; D006652:Histological Techniques; D006801:Humans; D008854:Microscopy, Electron; D009206:Myocardium / Q000473:pathology*; D012214:Rheumatic Heart Disease / Q000473:pathology*; D012215:Rheumatic Nodule / Q000473:pathology*
chemical_list: D006025:Glycosaminoglycans; D003094:Collagen