OZEN MR, CINAR K, SENOL N. Endocrine Cells in the Gastrointestinal Tract Mucosa of Zander (Stizostedion lucioperca). Kafkas Univ Vet Fak Derg, 16 (1): S339-S345, 2010. DOI: 10.9775/kvfd.2010.2570