@misc{indiciae1e3cadadac32, title = {Massive left atrium and mitral valvotomy.}, author = {A VENNER}, year = {1954}, doi = {10.1136/bmj.1.4875.1359}, url = {https://pubmed.ncbi.nlm.nih.gov/13160474/}, note = {Source identifier: 13160474} }