Yonga, G O Effect of percutaneous balloon mitral valvotomy on pulmonary venous flow in severe mitral stenosis. [electronic resource] - East African medical journal Jan 1999 - 28-30 p. digital Publication Type: Journal Article ISSN: 0012-835X Subjects--Topical Terms: AdolescentAdultBlood Flow VelocityCase-Control StudiesCatheterization--methodsChildEchocardiographyFemaleHumansMaleMiddle AgedMitral Valve Stenosis--therapyPulmonary Veins--physiopathologyTreatment Outcome