POPPOV, G [On extracardial by-pass in cardiac valve stenoses]. [electronic resource] - Bulletin de la Societe internationale de chirurgie Feb 1960 - 61-8 p. digital Publication Type: Journal Article ISSN: 0037-945X Subjects--Topical Terms: Cardiac Surgical ProceduresConstriction, PathologicHeart Valve DiseasesHeart ValvesHumansMitral Valve StenosisThoracic Surgery