@misc{indiciae1ff052279540, title = {Duodenal leiomyosarcoma.}, author = {G A Petralia and P D Hansen and R C Bowyer and R C Williamson}, year = {1999}, doi = {10.1159/000018689}, url = {https://pubmed.ncbi.nlm.nih.gov/9949263/}, note = {Source identifier: 9949263} }