title: Endoscopic ultrasound-guided fine needle aspiration of pancreatic masses in a veteran population: comparison of results with 22- and 25-gauge needles.
authors.forename: Ali A
authors.initials: AA
authors.lastname: Siddiqui
authors.forename: Thomas
authors.initials: T
authors.lastname: Lyles
authors.forename: Harita
authors.initials: H
authors.lastname: Avula
authors.forename: Raquel
authors.initials: R
authors.lastname: Davila
mesh_terms: D000368:Aged; D044963:Biopsy, Fine-Needle / Q000379:methods*; D019160:Endosonography; D006801:Humans; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D012189:Retrospective Studies