TY - RPRT TI - RE-OPERATION FOR FAILED MITRAL VALVULOTOMY. AU - J G SCANNELL AU - A E BAUE AU - H C URSCHEL PY - 1963 DO - 10.1097/00000658-196311000-00018 UR - https://pubmed.ncbi.nlm.nih.gov/14074079/ ID - 14074079 ER -