TY - JOUR AU - Di Stasi, M; Lencioni, R; Solmi, L TI - Ultrasound-guided fine needle biopsy of pancreatic masses: results of a multicenter study JO - Am J Gastroenterol VL - 93 PY - 1998 DO - 10.1111/j.1572-0241.1998.443_m.x SP - 1329 EP - 1333 N1 - et al. ER -