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1988 5
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Needle knife papillotomy: how safe and how effective?
Dowsett JF, Polydorou AA, Vaira D, D'Anna LM, Ashraf M, Croker J, Salmon PR, Russell RC, Hatfield AR. Dowsett JF, et al. Gut. 1990 Aug;31(8):905-8. doi: 10.1136/gut.31.8.905. Gut. 1990. PMID: 2387515 Free PMC article.
Is duodenal diverticulum a risk factor for sphincterotomy?
Vaira D, Dowsett JF, Hatfield AR, Cairns SR, Polydorou AA, Cotton PB, Salmon PR, Russell RC. Vaira D, et al. Among authors: dowsett jf. Gut. 1989 Jul;30(7):939-42. doi: 10.1136/gut.30.7.939. Gut. 1989. PMID: 2503431 Free PMC article.
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