TY  - RPRT
TI  - [Percutaneous transhepatic cholangioscopy as a single-step technique].
AU  - H von Sanden
AU  - W Schmitt
AU  - W Wegerle
AU  - R Ottenjann
PY  - 1991
UR  - https://pubmed.ncbi.nlm.nih.gov/1950035/
ID  - 1950035
ER  -