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An urgent and steadily increasing need exists world-wide for a greater supply of donor thoracic organs. Xenotransplantation offers the possibility of an unlimited supply of hearts and lungs that(More)
Positioning of the transseptal needle during percutaneous transvenous mitral commissurotomy (PTMV) can become a difficult and risky procedure when distortion of the interatrial septum exists. We(More)