Vinayek, Rakesh Grading of EUS-FNA cytologic specimens from patients with pancreatic neuroendocrine neoplasms: it is time move to tissue core biopsy? [electronic resource] - Gland surgery Nov 2014 - 222-5 p. digital Publication Type: Journal Article ISSN: 2227-684X Standard No.: 10.3978/j.issn.2227-684X.2014.07.03 doi