@misc{indiciae87a488be0e43, title = {Problem of mitral valve disease.}, author = {L E JANUARY and G N BEDELL and R D BATEMAN}, year = {1954}, doi = {10.1001/jama.1954.03690210009003}, url = {https://pubmed.ncbi.nlm.nih.gov/13151908/}, note = {Source identifier: 13151908} }