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Retroperitoneal emphysema after colonoscopic polypectomy.
Yassinger S, Midgley RC, Cantor DS, Poirier T, Imperato TJ. Yassinger S, et al. Among authors: midgley rc. West J Med. 1978 Apr;128(4):347-50. West J Med. 1978. PMID: 664635 Free PMC article. No abstract available.
Leiomyosarcoma of the duodenum.
Yassinger S, Imperato TJ, Midgley R Jr, Michas C, Bolt RJ. Yassinger S, et al. Gastrointest Endosc. 1977 Aug;24(1):38-40. doi: 10.1016/s0016-5107(77)73440-6. Gastrointest Endosc. 1977. PMID: 892399 No abstract available.