KAPICIOĞLU, S., E. OVALI, O. YEŞİLDAĞ, and A.H. BAKİ. 1992. “EFFECTS OF HYOSCTNE-N-BUTYLBUROMIDE AND RANITIDINE ON PORTAL VENOUS VELOCITY IN CIRRHOTIC PATIENTS: A PLASEBO CONTROLLED TRIAL”. Turkish Journal of Gastroenterology 3 (2):215-18. https://turkjgastroenterol.org/index.php/tjg/article/view/132.