[Evaluation of the life of homologous and heterologous valve grafts].
D000293:Adolescent; D000328:Adult; D000818:Animals; D004285:Dogs; D005069:Evaluation Studies as Topic; D005260:Female; D005500:Follow-Up Studies; D006351:Heart Valves / Q000637:transplantation*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014021:Tissue Preservation; D014183:Transplantation, Heterologous; D014184:Transplantation, Homologous