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ISSN:0006-291X|258|2|252-255

Elsevier‎(1999)‎

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By Abdel-Hafiz S.A.   El-Sisi F.F.   Helmy M   Hebeish A   in Pigment & Resin Technology

ISSN:0369-9420|26|4|235-242

Emerald Group Publishing Ltd‎(1997)‎

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By El-Bassiouni E.A.   Abo-Ollo M.M.   Helmy M.H.   Ismail S.   Ramadan M.I.A.   in Toxicology

ISSN:0300-483X|128|1|25-34

Elsevier‎(1998)‎

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By Helmy M.H.   Ismail S.S.   Fayed H.   El-Bassiouni E.A.   in Toxicology

ISSN:0300-483X|144|1|57-61

Elsevier‎(2000)‎

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