bibliographicCitation |
Abdelhafez M, Phillip V, Hapfelmeier A, Sturm V, Elnegouly M, Dollhopf M, Kassem A, Klare P, Nennstiel S, Schmid RM, von Delius S, Eckel F. Comparison of cap-assisted endoscopy vs. side-viewing endoscopy for examination of the major duodenal papilla: a randomized, controlled, noninferiority crossover study. Endoscopy. 2019 May;51(5):419–26. doi: 10.1055/a-0662-5445. PMID: 30199900. |