Evidence for gastroparesis in patients with portal gastropathy and liver cirrhosis and discussion of possible pathophysiologic theories - GÜLER, İsmail and ORTAPAMUK, Hülya and ÜNER, Enver and ÜSTÜNDAĞ, Yücel and KÖSEOĞLU, Tankut and ÇETİN, Faruk and ESKİOĞLU, Erdal (Turkish Journal of Gastroenterology, 2000)