Retraction. Randomized Trial Comparing the Flexible 19G and 25G Needles for Endoscopic Ultrasound-Guided Fine Needle Aspiration of Solid Pancreatic Mass Lesions.

ABSTRACT:

SUBMITTER:  

PROVIDER: S-EPMC4851221 | biostudies-literature | 2016 Jan

REPOSITORIES: biostudies-literature