Walker, D K New generation tissue valves. Their in vitro function in the mitral position. [electronic resource] - The Journal of thoracic and cardiovascular surgery Oct 1984 - 573-82 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0022-5223 Subjects--Topical Terms: BioprosthesisEquipment DesignEvaluation Studies as TopicHeart Valve Prosthesis--standardsHemodynamicsHumansMitral Valve--physiologyPressureStroke Volume