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APA Citation
Sugumaran, A., Thompson, I., Yeoman, A., Allison, M., & Czajkowski, M. (n.d.). pTU-026 Cytological yield of biliary brushings obtained during endoscopic retrograde cholangio pancreatography (ercp): a single centre experience. Gut, 64, A69–A70. http://access.bl.uk/ark:/81055/vdc_100137791714.0x00004b