Singh, P A comprehensive examination of Smad4, Smad6 and Smad7 mRNA expression in pancreatic ductal adenocarcinoma. [electronic resource] - Indian journal of cancer - 170-4 p. digital Publication Type: Journal Article ISSN: 1998-4774 Standard No.: 10.4103/0019-509X.82876 doi Subjects--Topical Terms: Adenocarcinoma--geneticsAdultAgedCarcinoma, Pancreatic Ductal--geneticsFemaleHumansImmunoenzyme TechniquesMaleMiddle AgedPancreatic Neoplasms--geneticsPrognosisRNA, Messenger--geneticsReverse Transcriptase Polymerase Chain ReactionSmad4 Protein--geneticsSmad6 Protein--geneticsSmad7 Protein--geneticsSurvival Rate