AU - Fisher ML, Parisi AF, Plotnick GD, DeFelice CE, Carliner NH, Fortuin NJ TI - ASsessment of severity of mitral stenosis by echocardiographic leaflet separation PT - JOUR DP - 1979 TA - Archives of Internal Medicine pages = {402-406}, VI - 139 IP - 4 AID - 10.1001/archinte.1979.03630410012009 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1979.03630410012009 SO - Archives of Internal Medicine April 1, 1979 139(4):402