عناصر مشابهة

• STUDIES ON ANTIVIRAL ACTIVITY OF SOME NATURAL PURIFIED PROTEINS FROM MICROORGANISMS OR OTHER SOURCES
  بواسطة: ISMAIL MOHAMED MOHAMED EL FAKHARANY منشور: (2008)
• STUDY OF THE ANTIVIRAL ACTIVITY OF FUNGAL METABOLITES
  بواسطة: MAHMOUD MOHAMED EL AASSER منشور: (2008)
• STUDIES ON ANTIVIRAL ACTIVITIES OF CERTAIN MEDICINAL PLANTS
  بواسطة: MAHA EID ALI OMRAN منشور: (1999)
• STUDIES ON MICROBIAL PRODUCTS HAVING ANTIBIOTIC ACTIVITY
  بواسطة: EL SAID ABDO GHAZAL منشور: (1984)
• STUDIES ON SOME FACTORS AFFECTING ACTIVITY AND PRODUCTIVITY OF GROWTH REGULATORS BY AZOTOBATERS IN DESERT SOIL
  بواسطة: MONA MORSY ABD EL -RAHMAN EL -SHAZLY منشور: (2003)