PT - JOURNAL ARTICLE AU - Ian Monk AU - Russell Vandenberg TI - A Three-bladed Dilator for Trans-ventricular Mitral Valvotomy AID - 10.1136/thx.20.3.238 DP - 1965 May 01 TA - Thorax PG - 238--241 VI - 20 IP - 3 4099 - http://thorax.bmj.com/content/20/3/238.short 4100 - http://thorax.bmj.com/content/20/3/238.full SO - Thorax1965 May 01; 20