1.
Frossard J, Fasel J, Becker C. Vascular invasion in pancreatic cancer: evaluation of endoscopic ultrasonography, computed tomography, ultrasonography, and angiography. Swiss Med Wkly [Internet]. 2007 May 19 [cited 2024 Nov. 19];137(1920):286-91. Available from: https://smw.ch/index.php/smw/article/view/735