Lorkiewicz, Z Clinical use of animal valves in malformations of the left atrio-ventricular orifice. [electronic resource] - Polish medical journal 1972 - 911-6 p. digital Publication Type: Journal Article ISSN: 0032-2938 Subjects--Topical Terms: AdolescentAdultAortic Valve--transplantationEvaluation Studies as TopicExtracorporeal CirculationHeart Defects, Congenital--surgeryHeart Valves--abnormalitiesHumansMethodsMiddle AgedMitral Valve--transplantationPostoperative ComplicationsTransplantation, Heterologous