Volume 19.1, Issue 37, September 1987, Pages 146-154
A. EL-SEBAIE; A. AMER; E. NAFIE; TH. ABD-EL- ALL
Volume 15.2, Issue 30, January 1986, Pages 118-125
S.M. SALEH; REGINA SKELLY; BOULOS, A.M. BOTROUS; A.A. BARAKAT; I.M. REDA; E. NAFIE; A.Z. ZAKI