@misc{indiciaecf2cf3afb66f, title = {Spontaneous hemopneumothorax.}, author = {A N SMITH}, year = {1957}, doi = {10.1001/archsurg.1957.01280080084013}, url = {https://pubmed.ncbi.nlm.nih.gov/13393935/}, note = {Source identifier: 13393935} }