Volume 19.1, Issue 37, September 1987, Pages 101-105
A. LOTFI; H. YOUSSEF; T. EL-KHATIEB; I. SEDDIK; A. EL-TIMAWY; SAMIRA EL-GIBALY; M. GAFAR
Volume 12.1, Issue 23, May 1984, Pages 90-96
M.S. TAWFIK; S.M. NASHED; F.F.M. GODA; SAMIRA EL-GIBALY; A.F. FARID; S. NADA