Browsing by Author Helmy, N.


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Issue DateTitleAuthor(s)
1991Soil analysis of breeding sites of PhlebotomuslangeroniNitzulescu and Phlebotomuspapatasi(Scopoli) in EL Agamy, Egypt.El Sawaf, B.M. ; Helmy, N. ; Kamal, H.A. ; Osman, A. ; Shehata, Magdi