FERRER, M I Circulatory effects of mitral commissurotomy with particular reference to selection of patients for surgery. [electronic resource] - Circulation Jul 1955 - 7-29 p. digital Publication Type: Journal Article ISSN: 0009-7322 Standard No.: 10.1161/01.cir.12.1.7 doi Subjects--Topical Terms: Blood CirculationHeart ValvesHumansMitral Valve Stenosis--surgery