Current status of the biological tissue valves (author's transl).
D000293:Adolescent; D000328:Adult; D000818:Animals; D005260:Female; D006350:Heart Valve Prosthesis; D006351:Heart Valves / Q000637:transplantation*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011474:Prosthesis Design; D013552:Swine; D014183:Transplantation, Heterologous; D014184:Transplantation, Homologous