TY - JOUR AN - 6 AU - Patel,J.J. AU - Mitha,A.S. AU - Hassen,F. TI - Percutaneous balloon mitral valvotomy in pregnant patients with tight pliable mitral stenosis. JO - Am Heart J PY - 1993 VL - 125 SP - 1106-1109 M2 - 1106 DO - 10.1016/0002-8703(93)90120-X ER -