[Direct vision valvulotomies in pulmonary and aortic stenosis using hypothermia].
D001024:Aortic Valve Stenosis; D003251:Constriction, Pathologic; D006801:Humans; D007035:Hypothermia; D007036:Hypothermia, Induced; D011666:Pulmonary Valve Stenosis / Q000601:surgery*
HYPOTHERMIA, INDUCED; PULMONARY STENOSIS/surgery