R A Erickson

Factors predicting the number of EUS-guided fine-needle passes for diagnosis of pancreatic malignancies.

R. Erickson, R. Beissner, L. Sayage-Rabie, 2000, Gastrointestinal endoscopy.

Guidelines for credentialing and granting privileges for endoscopic ultrasound.

M E Ryan, M. E. Ryan, D. Faigel, 2001, Gastrointestinal endoscopy.