CHAK, A. Endoscopic ultrasound-guided fine-needle aspiration : time to temper enthusiasm with caution. Gastrointest Endosc. 1997, 46, 286
RADER, AE. Fine-Needle Aspiration Biopsy Diagnosis of Gastrointestinal Stromal Tumors Using Morphology, Immunocytochemistry, and Mutational Analysis of c-kit. Cancer (Cancer Cytopathol). 2001, 93, 269-275
PEARSON, AS. The detection of telomerase activity in patients with adenocarcinoma of the pancreas by fine needle aspiration. Int J Oncol. 2000, 17, 381-385