Okasha, H.H. et al. 2017. Endoscopic ultrasound and endoscopic ultrasound-guided fine needle aspiration in the diagnosis of diffuse gastrointestinal lesions with inconclusive endoscopic biopsies. Turkish Journal of Gastroenterology. 28, 5 (Jan. 2017), 370–376. DOI:https://doi.org/10.5152/tjg.2017.17071.