by Sweed , H. S, Emara , K. M, Zakaria , M. A, Taha , R. M, El-Helw , M. R, Munier , M. M
Published in Egyptian Journal of Geriatrics and Gerontology (01.01.2017)

by Tantawy, A.O, El-helw, M.R
Published in Canadian journal of genetics and cytology (01.12.1970)

by Youssef, M.A, El-Helw, M.R, Taghian, A.S, El-Aref, H.M
Published in Acta horticulturae (01.01.2010)

by Tantawy, A O, El-Helw, M R
Published in Genetics (Austin) (01.01.1970)

by Tantawy, A O, el-Helw, M R
Published in Genetics (Austin) (01.01.1966)

by El-Helw, M R, Ali, A M M
Published in Evolution (01.09.1970)