عناصر مشابهة

• AN ASSAY FOR CYCLIC AMP AND THE DETERMINATION OF ITS LEVELS IN SPERM CELLS
  بواسطة: MOHAMED YEHIA ABDEL HAFEEZ MEKKAWY منشور: (1981)
• THE RELATIONSHIP BETWEEN AIRBORNE PARTICLES SIZE AND SITE OF DEPOSITION IN THE RESPIRATORY SYSTEM
  بواسطة: AHMED FATHI HUSSEIN AHMED HELAL منشور: (1978)
• STUDIES ON ENERGY METABOLISM OF LAYING CHICKENS IN HOT ENVIRONMENT
  بواسطة: MOHAMED ABDEL MONEM SAYED AHMED EL GAMAL منشور: (2009)
• THE RELATION BETWEEN SYSTEMS OF FEEDING GROWTH RATE , FEED EFFICIENCY AND EGG PRODUCTION IN SOME POULTRY BREEDS
  بواسطة: NABIL FAHMY ABD EL HAKIM منشور: (1965)
• EFFECT OF PROGESTATIONAL COMPOUNDS ON CORPUS LUTEUM SECRETION
  بواسطة: NABIL AHMED AHMED MOHAMED منشور: (1977)