by Khayyal, S E, Ayad, M M, Girgis, A N
Published in Journal of chromatography (01.01.1984)

by Balbaa, S. I, Khafagy, S. M, Khayyal, S. E, Girgis, A. N
Published in Journal of natural products (Washington, D.C.) (01.09.1979)

by Khafagy, S M, Girgis, A N
Published in Planta medica (01.06.1974)

by Karawya, M. S., Balbaa, S. I., Girgis, A. N., Youssef, N. Z.
Published in Analyst (London) (1967)

by Khafagy, S.M, Girgis, A.N, Khayyal, S.E, Helmi, M.A
Published in Planta medica (01.05.1972)

by Girgis, A N, el-Sherif, S, Rofael, N, Nesheim, S
Published in Journal of the Association of Official Analytical Chemists (01.05.1977)

by Farag, R. S., Osman, S. A., HallaBo, S. A. S., Girgis, A. N., Nasr, A. A.
Published in Journal of the American Oil Chemists' Society (01.10.1978)

by BEDOUR, M S, EL-MUNAJJED, D, FAYEZ, M B, GIRGIS, A N
Published in Journal of pharmaceutical sciences (01.10.1964)

by El Hammady M, Girgis A.N, Shafie M.A, Mazyad H.M
Published in Acta Phytopathologica Academiae Scientiarum Hungaricae (1982)

by El Hammady M, Shatla M.N, Girgis A.N, El Halwagy M.H
Published in Acta Phytopathologica Academiae Scientiarum Hungaricae (1982)