Volume 27.2, Issue 54, July 1992, Pages 137-147
Th.S. NAFIE; M.G. HASSAN; AMAL M. EL-NAHLA; R.F. EL-SAYED
Volume 27.2, Issue 54, July 1992, Pages 154-161
Th.S. NAFIE; A.A. AAMER; Th.S. ABD EL-ALL; M.H. KARRAM
Volume 23.2, Issue 46, July 1990, Pages 161-167
M.H. KARRAM; M.N. ISMAIL; Th.S. ABDEL ALL; Th.S. NAFIE