TY - RPRT TI - A clinicopathological study on the papillary muscle dysfunction. AU - M Sugiura AU - S Ohkawa AU - C Kamata AU - K Ueda PY - 1977 DO - 10.1536/ihj.18.178 UR - https://pubmed.ncbi.nlm.nih.gov/870727/ ID - 870727 ER -