title: [Echotomographic diagnosis of neoplasms of the extrahepatic bile ducts].
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis*; D000368:Aged; D001650:Bile Duct Neoplasms / Q000175:diagnosis*; D001651:Cholestasis, Extrahepatic / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014463:Ultrasonography
vernacular_title: Diagnostico ecotomográfico de la neoplasia de las vias biliares extrahepaticas.