TY - GEN AU - Malats,N AU - Porta,M AU - Piñol,J L AU - Corominas,J M AU - Rifà,J AU - Real,F X TI - Ki-ras mutations as a prognostic factor in extrahepatic bile system cancer. PANK-ras I Project Investigators SN - 0732-183X PY - 1995///0809 KW - Adenocarcinoma KW - genetics KW - Aged KW - Ampulla of Vater KW - Bile Duct Neoplasms KW - Bile Ducts, Extrahepatic KW - Codon KW - Common Bile Duct Neoplasms KW - Female KW - Gallbladder Neoplasms KW - Genes, ras KW - Humans KW - Male KW - Middle Aged KW - Point Mutation KW - Prevalence KW - Prognosis N1 - Publication Type: Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1200/JCO.1995.13.7.1679 ER -