Clinical Impact of Endoscopic Ultrasound-Guided Fine Needle Aspiration Biopsy in Patients with Upper Gastrointestinal Tract Malignancies. A Prospective Study
1995 ◽
Vol 41
(3)
◽
pp. 230-235
◽
1999 ◽
Vol 11
(2)
◽
pp. 121-132