Salama, R. A. K., F. F. Mostafa, and I. A. Hemeida,
"Biological aspects of the tortoise beetle, Cassida vittata Vill. (Coleoptera, Chrysomelidae).",
Fayoum J. Agric. Res. & Dev.,, vol. 5, no. 2, pp. 29–35, 1991.
Abstractn/a
Afify, M. M. H., E. I. - S. M. O. M. H. Awad, H. M. E. Elfakar, and S. A. Zou,
"A comparative pathological study on infectious coryza experimentally induced in susceptible IgM-RF and spectinomycin-treated chickens.",
Egyp. J Comp. Path. Clin. Pathology, vol. 4, no. 1, pp. 135, 1991.
Abstractn/a
Abu‐El‐Zahab, H. S. H., W. A. E. Aal, R. Awadallah, T. M. Mikhail, and K. Zakaria,
"The correlation between serum total cholesterol and some trace elements in serum, liver and heart of rats fed high cholesterol diet",
Food/Nahrung, vol. 35, issue 8: WILEY‐VCH Verlag GmbH Weinheim, pp. 827-834, 1991.
Abstractn/a
Ng, N. Q., P. Perrino, F. Attere, and H. Zedan,
Crop Genetic Resources of Africa, Volume II, ,
, London, The Trinity Press, U.K., 1991.
Safar, Z. S., and T. A. Osman,
"Design of Hydrodynamic Wavy Contacting Face Seals with Non-Newtonian Lubricants",
Vehicle Tribology: Proceedings of the 17th Leeds-Lyon Symposium on Tribology Held at the Institute of Tribology, Leeds University, Leeds, UK, 4th-7th September 1990: Elsevier Science & Technology, pp. 259, 1991.
Abstractn/a
Atef, M., S. A. H. Youssef, A. H. Atta, and A. A. El-Maaz,
"Disposition of tylosin in goats",
British Veterinary Journal, vol. 147, no. 3: Elsevier, pp. 207–215, 1991.
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