Moriwaki, Toshikazu Phase I study of gemcitabine, cisplatin, and S-1 combination therapy for patients with untreated advanced biliary tract cancer. [electronic resource] - Journal of hepato-biliary-pancreatic sciences Sep 2015 - 669-74 p. digital Publication Type: Clinical Trial, Phase I; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1868-6982 Standard No.: 10.1002/jhbp.255 doi Subjects--Topical Terms: AgedAntineoplastic Agents--administration & dosageBiliary Tract Neoplasms--diagnosisCisplatin--administration & dosageDeoxycytidine--administration & dosageDose-Response Relationship, DrugDrug CombinationsFemaleFollow-Up StudiesHumansJapan--epidemiologyMaleMiddle AgedNeoplasm StagingOxonic Acid--administration & dosageRetrospective StudiesSurvival Rate--trendsTegafur--administration & dosageTreatment OutcomeGemcitabine