TY - RPRT TI - Pulmonary function studies before and after closed mitral valvotomy. AU - T Singh AU - P Dinda AU - S S Chatterjee AU - W D Riding AU - T K Patel PY - 1970 DO - 10.1164/arrd.1970.101.1.62 UR - https://pubmed.ncbi.nlm.nih.gov/5410075/ ID - 5410075 ER -