TY  - GEN
AU  - HAAS,A
AU  - RITTER,S A
TI  - Three cases illustrating the value of transduodenal approach in ampullary obstruction
SN  - 0002-9610
PY  - 2002///0501
KW  - Bile Ducts
KW  - Common Bile Duct
KW  - Common Bile Duct Diseases
KW  - Disease
KW  - Humans
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/s0002-9610(56)80114-1
ER  -