Kicka, M. A. M., M. A. Osman, S. A. Riad, and G. A. R. Kamar,
"Relation between yolk cholesterol and some economic characters in chickens",
Egyptian Journal of Animal Production, vol. 19, issue 1: National Information and Documentation Centre., pp. 115-119, 1979.
Abstractn/a
Atef, M., A. A. Salem, S. A. Al-Samarrae, and S. A. Zafer,
"Ruminal and salivary concentration of some sulphonamides in cows and their effect on rumen flora.",
Research in veterinary science, vol. 27, no. 1, pp. 9–14, 1979.
Abstractn/a