DOI:
10.1055/s-00025476
Endoscopy International Open
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References
Schoefl R, Haefner M, Wrba F. et al.
Forceps biopsy and brush cytology during endoscopic retrograde cholangiopancreatography for the diagnosis of biliary stenoses.
Scand J Gastroenterol 1997;
32: 363-368
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