DOI:
10.1055/s-00000012
Endoscopy
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References
Abdelhafez M, Phillip V, Hapfelmeier A. et al.
Cap assisted upper endoscopy for examination of the major duodenal papilla: a randomized, blinded, controlled crossover study (CAPPA Study).
Am J Gastroenterol 2017;
112: 725-733
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