[Endoscopic retrograde cholangiopancreaticography (ERCP) and percutaneous transhepatic cholangiography (PTC) in cholestatic syndromes of children and adolescents (author's transl)]

[Endoscopic retrograde cholangiopancreaticography (ERCP) and percutaneous transhepatic cholangiography (PTC) in cholestatic syndromes of children and adolescents (author's transl)]