@misc{indiciaeff90b3ca90f7, title = {Aortic valve perforation.}, author = {N O Fowler and M H Hamburger and K E Bove}, year = {1967}, doi = {10.1016/0002-9343(67)90053-8}, url = {https://pubmed.ncbi.nlm.nih.gov/6023001/}, note = {Source identifier: 6023001} }