el-Akkad Am

Rift Valley fever outbreak in Egypt. October--December 1977.

el-Akkad Am, 1978 .

Epidemiology of cerebrospinal meningitis in Egypt during the last 50 years.

el-Akkad Am, 1969 .

A controlled field trial of a serogroup A meningococcal polysaccharide vaccine.

E. Gotschlich, R. Triau, J. Sippel, 1973, Bulletin of the World Health Organization.