@misc{indiciaed22cf3dd53f9, title = {Hemodynamic studies made during mitral valve surgery.}, author = {F F McALLISTER and H F FITZPATRICK and S R POWERS and E M PAPPER and E KRAHL}, year = {1953}, url = {https://pubmed.ncbi.nlm.nih.gov/13122454/}, note = {Source identifier: 13122454} }