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1990
Rebeiz, C. A., J. A. Juvik, C. C. Rebeiz, C. E. Bouton, and L. J. Gut, "Porphyric insecticides: 2. 1, 10-Phenanthroline, a potent porphyric insecticide modulator", Pesticide Biochemistry and Physiology, vol. 36, issue 2: Academic Press, pp. 201-207, 1990. Abstract
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Megahed, M. M., "Prediction of bending fatigue behaviour by the reference stress approach", Fatigue & Fracture of Engineering Materials & Structures, vol. 13, no. 4: Wiley Online Library, pp. 361–374, 1990. Abstract
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Megahed, M. M., "Prediction of bending fatigue behaviour by the reference stress approach", Fatigue & Fracture of Engineering Materials & Structures, vol. 13, no. 4: Wiley Online Library, pp. 361–374, 1990. Abstract
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Hassan, A. A., and H. H. Al-Masry., "Preliminary evaluation of cucurbits for resistance to the yellowing and stunting disorder", Agric. Sci., vol. 2, pp. 123–128, 1990. Abstract
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Shalaby, A. S., G. M. Abdul Aziz, M. A. Gabra, and M. G. Beshay, "Preservation of napier grass (Pennisetum purpureum Schum) and fodder beet (Beta vulgaris L.) leaves as hay and their nutritional evaluation.", Proceedings Faculty of Agriculture, Alexandria University (Egypt)., vol. 1, pp. 161-168, 1990. Abstract
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MM Metwally, IA Abd-El-Gawad, A. B. S., "Production of long life yoghurt", Minia Journal of Agricultural Research and Development (Egypt), vol. 12, issue 3, pp. 1825, 1990. Abstract
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Elrefaie, F. A., H. A. Ahmed, and E. E. Khalil, A Proposed Thermal Model of Aluminium Reduction Cells: Computer Aided Approach, : AIAA, 1990. Abstract
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Carey, J. M., "Prototyping: {Alternative} systems development methodology", Information and Software Technology, vol. 32, pp. 119–126, 1990. Abstract

gives pros and cons for prototyping

Patton, M. Q., Qualitative {Evaluation} and {Research} {Methods}, , 2nd, Newbury Park, CA, Sage Publications, 1990. Abstract

heuristic research, ethnomethodology and symbolic interactionism are approaches derived from phenomenology

Lilburn, M. S., W. H. Burke, and M. M. Mashaly, "Research Note: The Effect of Different Feed Restriction Treatments During Rearing on the Luteinizing Hormone Concentrations, Body Weight, and Fertility of Broiler-Breeder Cockerels", Poultry science, vol. 69, issue 5: Poultry Science Association, pp. 860-863, 1990. Abstract
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S., K. M., R. M. A. N.A. Khalil, and Z. M. Ezzat., "Response of some lentil varieties to different irrigation, frequencies at certaingrowth stages.", Growth and water relations. Proc., Fourth conference, Agro.,Cairo, Egypt, vol. 1, pp. 535–540, 1990. Abstract
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S., K. M., R. M. A. N.A. Khalil, and Z. M. Ezzat., "Response of some lentil varieties to different irrigation, frequencies at certaingrowth stages.", Yield and yield components. Proc., Fourth conference, Agro.,Cairo, Egypt, vol. 1, pp. 549–560, 1990. Abstract
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El-Husseiny, O., A. Ghazalah, B. Hashish, and S. Arafa, "Response of vitamin B12 and some lipotropic agents to the productive performance of Lohmann parent stock breeders and the incidence of fatty liver hemorrhagic syndrome", Annals of Agricultural Science, Moshtohor (Egypt), 1990. Abstract
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el-Baghdady, Y. R., E. S. Fattouh, K. I. el-Ekhnawy, M. M. Ayoub, and L. H. Bedeir, "Role of oxytocin and/or PGF2 alpha on breeding efficiency in buffaloes.", The British veterinary journal, vol. 146, issue 6, pp. 577-81, 1990. Abstract

A study was conducted on 40 buffalo-cows, assigned randomly, immediately after calving into three groups: group I (n = 10) injected with saline and taken as control; group II (n = 15) received 25 mg PGF2 alpha/animal (Lutalyse); group III (n = 15) received 25 mg PGF2 alpha + 25 i.u. oxytocin/animal (Syntocinon), single i.m. dose. Oxytocin and/or PGF2 alpha significantly (P less than 0.01) shortened the interval from calving to first service (38.33 and 31.53 days for groups II and III respectively, versus 91.60 days for controls). The treatment reduced the service period (38.29 and 35.87 days for groups II and III respectively, versus 45.40 days for controls). Concomitantly a significant (P less than 0.01) decrease in the open-days post partum was achieved (76.62 and 67.40 days for groups II and III respectively, versus 137.00 days for controls). In addition, the treated buffaloes needed significantly (P less than 0.01) fewer services per conception (1.67 and 1.20 S/C for groups II and III respectively) than the untreated ones (2.70 S/C), besides a substantial improvement (P less than 0.01) in their conception rate either at 60 or 85 days post partum. Significantly improved (P less than 0.05) results were obtained in the oxytocin and PGF2 alpha treated animals, than in those receiving PGF2 alpha alone for all the previous parameters, except for the service period. Buffaloes therefore seemed to respond better to such treatment than dairy cows.

Hafiez, A. A., Z. H. M. El‐Kirdassy, N. M. El‐Malkh, and E. M. I. El‐Zayat, "Role of zinc in regulating the testicular function part 3. Histopathological changes induced by dietary zinc deficiency in testes of male albino rats", Food/Nahrung, vol. 34, issue 1: WILEY‐VCH Verlag GmbH Weinheim, pp. 65-73, 1990. Abstract
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Hassan, A. A., Root, stem, leaf and flower vegetables. (In Arabic)., : Al-Dar Al-Arabiah Lil Nashr Wa Al-Tawsia, Cairo., 1990. Abstract
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Atef, M., S. A. Youssef, A. Ramadan, and M. Issa, "Ruminal excretion of sulfadimethoxine and sulfadimethyloxazole in goats and their influence on some enzyme activities and renal clearances.", DTW. Deutsche tierarztliche Wochenschrift, vol. 97, no. 5, pp. 203–206, 1990. Abstract
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Hassan, A. A., M. A. Al-Aflfl, K. Matsuda, and S. Itanl, "Screening for salinity tolerance in the genus Lycopersicon", Rep Tomato Genet Coop, vol. 40, pp. 14–15, 1990. Abstract
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MM Metwally, IA Abd El- Gawad, I. A. M. E. M. E. - S., "The selection of a proper starter for Ras Cheese-making made from buffalo milk", African Journal of Agriculture Science, vol. 17, pp. 1-11, 1990. Abstract
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MM Metwally, IA Abd El- Gawad, I. A. M. E. M. E. - S., "The selection of a proper starter for Ras Cheese-making made from buffalo milk", African Journal of Agriculture Science, vol. 17, pp. 1-11, 1990. Abstract
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IA Abd El-Gawad, MM Metwally, A. E. M. E. M. S., "The selection of a proper starter for Ras cheese-making made from cow milk", Zagazig Journal of Agricultural Research (Egypt), vol. 17, issue 3, pp. 87, 1990. Abstract
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IA Abd El- Gawad, MM Metwally, A. E. M. E. M. E. - S., "The selection of a proper starter for Ras cheese-making made from cow milk", Zagazig Journal Agriculture Research Egypt, vol. 17, issue 3, pp. 87-90, 1990. Abstract
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IA Abd El- Gawad, MM Metwally, A. E. M. E. M. E. - S., "The selection of a proper starter for Ras cheese-making made from cow milk", Zagazig Journal Agriculture Research Egypt, vol. 17, issue 3, pp. 87-90, 1990. Abstract
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M M Metwally, I A Abd El Gawad, M. E. S. A. E. E. M., "The selection of a proper starter for Ras Cheese-making mode from buffalo milk.", African J. of Agric. Sci.,, vol. 17, issue 1, pp. 1-11, 1990. Abstract
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Youssef, H. M., M. M. Abd El-Samea, R. R. Youssef, D. G. Abo El-Hassan, S. A. Barsoum, and A. A. Fayed, "Serological investigation of Foot and Mouth Disease in pigs", Alex J. Vet Science, vol. 6, no. 1: Faculty of Vet. Med.- Alexandri university, Egypt., pp. 285–290, 1990. Abstract
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