1. Observations on nasopharyngeal carcinoma in the Sudan;Saad,1968
2. Carcinoma of the nasopharynx in the Sudan;Milosev;Sudan Med J,1968
3. The distribution of population and hospital facilities in the Sudan;El-Bushra;Sudan Med J,1976
4. Population, manpower and social development;Salih,1973
5. Epstein-Barr virus antibodies in Sudanese patients with nasopharyngeal carcinoma: a preliminary report;Malik;J Natl Cancer Inst,1979