Endoscopic management of biliary tract obstruction in the 1990s.
Jacyna
M R
MR
Department of Medicine, St Mary's Hospital Medical School, Imperial College, University of London, United Kingdom.
Summerfield
J A
JA
D002779:Cholestasis / Q000628:therapy*; D016145:Endoscopy, Digestive System / Q000639:trends*; D006801:Humans