@misc{indiciaeb63d17fb4a88, title = {A knife for mitral valvotomy.}, author = {V C THOMPSON}, year = {1954}, doi = {10.1016/s0140-6736(54)92113-3}, url = {https://pubmed.ncbi.nlm.nih.gov/13143761/}, note = {Source identifier: 13143761} }