TY - JOUR T1 - A Three-bladed Dilator for Trans-ventricular Mitral Valvotomy JF - Thorax JO - Thorax SP - 238 LP - 241 DO - 10.1136/thx.20.3.238 VL - 20 IS - 3 AU - Ian Monk AU - Russell Vandenberg Y1 - 1965/05/01 UR - http://thorax.bmj.com/content/20/3/238.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -