1. Expiry dates on pharmaceuticals—some worrying realities in Sierra Leone;Murtada;Int Pharm J,1994
2. Stability of drugs in the tropics: a study in Sudan;Abu-Reid;Int Pharm J,1990
3. Quality control of pharmaceuticals in the Caribbean;Dennis;Int Pharm J,1992
4. Drug quality control work in Daru: observations during 1983-1986;Kibwage;E Afr Med J,1992
5. Bioequivalence of five chloroquine brands marketed in Sudan;Mahmoud;Int Pharm J,1994