TY - RPRT TI - Hemodynamic studies made during mitral valve surgery. AU - F F McALLISTER AU - H F FITZPATRICK AU - S R POWERS AU - E M PAPPER AU - E KRAHL PY - 1953 UR - https://pubmed.ncbi.nlm.nih.gov/13122454/ ID - 13122454 ER -