S. KAPICIOĞLU, E. OVALI, O. YEŞİLDAĞ, and A. BAKİ, “EFFECTS OF HYOSCTNE-N-BUTYLBUROMIDE AND RANITIDINE ON PORTAL VENOUS VELOCITY IN CIRRHOTIC PATIENTS: A PLASEBO CONTROLLED TRIAL”, Turkish Journal of Gastroenterology, vol. 3, no. 2, pp. 215–218, Jan. 1992.