Hanan Ahmed Tag EL-Den creator preparation. Sohair Youssef Saleh thesis advisor. Afaf Mohamad Azoz thesis advisor. Nour Boctor Bishara thesis advisor. text theses ua 1995 monographic eng ara 133 pages : illustrations ; 30 cm. + specialized By Hanan Ahmed Tag EL-Den; Under Supervision Of Prof. Dr. Sohair Youssef Saleh, Prof. Dr.Afaf Mohamad Azoz, Dr. Nour Boctor Bishara. Thesis (M.Sc.) -Cairo University, 1995. Bibliography: pages 114-133. Physiology EG-GICUC 260421 20260421105011.0 eng