World Journal of Gastroenterology · 2012 · 12 citations · 18 references
ES causes biliary epithelial atypia that represents mostly reactive/proliferative rather than premalignant changes. The role of p53 immunoreactivity in biliary atypia needs to be further studied.
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Endoscopic sphincterotomy of the ampulla of Vater
Kenji Kawai, Yuzoh Akasaka, Kenji Murakami et al. · Gastrointestinal Endoscopy · 1974 · 751 citations
Tissue sampling at ERCP in suspected malignant biliary strictures (Part 2)
Mario De Bellis, Stuart Sherman, Evan L. Fogel et al. · Gastrointestinal Endoscopy · 2002 · 219 citations