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1.

In situ evaluation of the genotoxic potential of the river Nile: I.Micronucleus and nuclear lesion tests of erythrocytes of Oreochromis niloticus niloticus (Linnaeus, 1758) and Clarias gariepinus (Burchell, 1822)

Toxicological & Environmental Chemistry , Volume 93 , Issue 5 (2011)
Alaa G.M. Osman , Abd-El-Baset M. Abd El Reheema , Mohsen A. Moustafa , Usama M. Mahmoud , Khaled Y. Abuel-Fadld , Werner Kloas
2.

Hematotoxic and Genotoxic potential of ultraviolet–A radiation on the African catfish Clarias gariepinus (Burchell, 1822)

Journal of fisheries international , Volume 5 (2010)
AGM Osman , AS Harabawy
3.

Enzymatic and histopathologic biomarkers as indicators of aquatic pollution in fishes

Natural Science , Volume 2 , Issue 11 (2010)
AGM Osman , AM Abd El Reheem , KY AbuelFadl , AG GadEl-Rab
4.

Water Quality and Heavy Metal Monitoring in Water, Sediments, and Tissues of the African Catfish Clarias gariepinus (Burchell, 1822) from the River Nile, Egypt

Journal of Environmental Protection , Volume 1 (2010)
AGM Osman , W Kloas
5.

Effects of ultraviolet A on the activity of two metabolic enzymes, DNA damage and lipid peroxidation during early developmental stages of the African catfish, Clarias gariepinus (Burchell, 1822).

Fish physiology and biochemistry (2009)
Imam A A Mekkawy , Usama M Mahmoud , Alaa G Osman , Alaa El-Din H Sayed
6.

Ultrastructural studies of the morphological variation of the egg surface and envelopes of the African Catfish Clarias gariepinus (Burchell) before and after fertilization with a discussion of fertilization mechanism.

Sciencia Marina , Volume 70 , Issue s2 (2006)
I Mekkawy , AGM Osman
7.

Evaluation of the Use of Protein Electrophoresis of the African Catfish Clarias gariepinus (Burchell, 1822) for Biomonitoring Aquatic Pollution

Environmental Research Journal , Volume 4 , Issue 3 (2010)
A.G.M. Osman , R.M. Al-Awadhi , A.S. Harabawy , U.M. Mahmoud
8.

Use of hematological parameters to assess the efficiency of quince (Cydonia oblonga Miller) leaf extract in alleviation of the effect of ultraviolet--A radiation on African catfish Clarias gariepinus (Burchell, 1822).

Journal of photochemistry and photobiology. B, Biology , Volume 99 , Issue 1 (2010)
Alaa G M Osman , Mostafa Koutb , Alaa El-Din H Sayed
9.

Early development of the African catfish Clarias gariepinus (Burchell, 1822) focusing on the ontogeny of selected organs

Journal of Applied Ichthiology , Volume 24 (2008)
A.G.M Osman , S. Wuertz , I.A.A Mekkawy , J. Verreth , F. Kirschbaum
10.

Effects of lead nitrate on the activity of metabolic enzymes during early developmental stages of the African catfish Clarias gariepinus (Burchell, 1822)

Fish Physiology and Biochemistry , Volume 33 (2007)
A.G.M Osman , I.A.A Mekkawy , J. Verreth , F. Kirschbaum