title: AGING HEART VALVES AND A UNITARY PATHOLOGICAL HYPOTHESIS FOR SCLEROSIS.
mesh_terms: D000375:Aging; D001161:Arteriosclerosis; D003094:Collagen; D003238:Connective Tissue; D004285:Dogs; D004696:Endocarditis; D004798:Enzymes; D006351:Heart Valves; D006651:Histocytochemistry; D010336:Pathology; D012106:Research; D012598:Sclerosis
chemical_list: D004798:Enzymes; D003094:Collagen
keywords: AGING; ARTERIOSCLEROSIS; COLLAGEN; CONNECTIVE TISSUE; DOGS; ENDOCARDITIS; ENZYMES; EXPERIMENTAL LAB STUDY; HEART VALVES; HISTOCYTOCHEMISTRY; PATHOLOGY