Authors: COSKUN B INAL F CELIK I ERGANIS O TIFTIK AM KURTOGLU F KUYUCUOGLU Y OK U

Citation: B. Coskun et al., EFFECTS OF DIETARY LEVELS OF VITAMIN-A ON THE EGG YIELD AND IMMUNE-RESPONSES OF LAYING HENS, Poultry science, 77(4), 1998, pp. 542-546