1. The Bottom Billion: Why the Poorest Countries Are Failing and What Can Be Done About It;Collier,2007
2. The spectrum of HIV-1 related cancers in South Africa;Sitas;Int J Cancer,2000
3. Histopathology of malignant tumours of childhood Tanzania;Mgaya;East Afr Med J,2000
4. Treatment of childhood malignancies in Kenya;Kasili;East Afr Med J,1984
5. Paediatric solid tumours in Nigerian children: A changing pattern;Tanko;Afr J Pediatr Surg,2009