Celik, L., Kutlu, H., Sahan, Z., Kiraz, A., Serbester, U., Hesenov, A. & Tekeli, A. (2011) Dietary inclusion of pumpkin seed oil for a cholesterol low and oleic and linolenic acid rich egg production in layer hens. REVUE DE MEDECINE VETERINAIRE , 162(3), 126-132.