Plummer-Vinson syndrome and dilation therapy: A report of two cases - DEMİRCİ, Fikret and SAVAŞ, M. Cemil and KEPKEP, Necip and OKAN, Vahap and YILMAZ, Mehmet and BÜYÜKBERBER, Mehmet and GÜLŞEN, M. Taner (Turkish Journal of Gastroenterology, 2005)