Volume 19.2, Issue 38, January 1988, Pages 183-189
A.M. SOLIMAN; S.A. MOUSA; NAHED GAD; REEM DESOUKY; LM. SOKKAR
Volume 19.1, Issue 37, September 1987, Pages 185-188
T.Y. ABDEL MOTELIB; B. SALEM; K. EL-ZANATY; M. SHAHATA; LM. SOKKAR
Volume 18.1, Issue 35, January 1987, Pages 181-190
S. EL-HAWAARY; G.M. KHALAFALLA; LM. SOKKAR