Sun, Chen Does gemcitabine-based combination therapy improve the prognosis of unresectable pancreatic cancer? [electronic resource] - World journal of gastroenterology Sep 2012 - 4944-58 p. digital Publication Type: Journal Article; Meta-Analysis; Review ISSN: 2219-2840 Standard No.: 10.3748/wjg.v18.i35.4944 doi Subjects--Topical Terms: AdultAgedAged, 80 and overAntimetabolites, Antineoplastic--administration & dosageAntineoplastic Combined Chemotherapy Protocols--adverse effectsChi-Square DistributionDeoxycytidine--administration & dosageDisease-Free SurvivalFemaleHumansMaleMiddle AgedOdds RatioPancreatic Neoplasms--drug therapySurvival AnalysisTime FactorsTreatment OutcomeYoung AdultGemcitabine