Cap Assisted Upper Endoscopy for Examination of the Major Duodenal Papilla: A Randomized, Blinded, Controlled Crossover Study (CAPPA Study).
Abdelhafez M, Phillip V, Hapfelmeier A, Elnegouly M, Poszler A, Strobel K, Born P, Dollhopf M, Kassem AM, Calavrezos L, Klare P, Schlag C, Bajbouj M, Schmid RM, von Delius S.
Abdelhafez M, et al. Among authors: calavrezos l.
Am J Gastroenterol. 2017 May;112(5):725-733. doi: 10.1038/ajg.2017.47. Epub 2017 Mar 14.
Am J Gastroenterol. 2017.
PMID: 28291239
Clinical Trial.