@misc{indiciae48a3ff920b5d, title = {Perforated peptic ulcer.}, author = {Dorothy S Carlson and Ellen Pfadt}, year = {2004}, doi = {10.1097/00152193-200412000-00062}, url = {https://pubmed.ncbi.nlm.nih.gov/15572948/}, note = {Source identifier: 15572948} }