A comparative study of endoscopic ultrasound guided fine needle aspiration with and without a stylet.
Wani S, Gupta N, Gaddam S, Singh V, Ulusarac O, Romanas M, Bansal A, Sharma P, Olyaee MS, Rastogi A. A comparative study of endoscopic ultrasound guided fine needle aspiration with and without a stylet. Dig Dis Sci. 2011 Aug; 56(8):2409-14.