About EL-SAYED N H
About National Research Centre, Cairo, EGY
About DOOH A M A
About Fac. Science, Aswan, EGY
About EL-KHRISY E A M
About National Research Centre, Cairo, EGY
About MABRY T J
About Univ. Texas at Austin, TX, USA
About Phytochemistry
About Cassia