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APA Citation
Mac Mathuna, P., White, P., Clarke, E., Lennon, J., & Crowe, J. (1994). endoscopic sphincteroplasty: a novel and safe alternative to papillotomy in the management of bile duct stones.. Gut, 35(1), 127–129. http://access.bl.uk/ark:/81055/vdc_100137792842.0x000042