title: Collagen-derived heart valves; concept and experimental results.
mesh_terms: D000818:Animals; D003094:Collagen; D006084:Graft Rejection; D006350:Heart Valve Prosthesis / Q000592:standards; D006439:Hemodynamics; D008943:Mitral Valve / Q000637:transplantation; D011108:Polymers; D012756:Sheep; D013552:Swine; D013923:Thromboembolism / Q000517:prevention & control; D014183:Transplantation, Heterologous; D014261:Tricuspid Valve / Q000473:pathology / Q000637:transplantation
chemical_list: D011108:Polymers; D003094:Collagen