• Cairncross S (1997) Vertical health programmes. The Lancet 349 (suppl III), 2022.
  • Criel B (1992) L'intégration du contrôle de la tuberculose dans les soins de santé primaires: où en sommes-nous? Editorial Annales de la Société belge de Médecine Tropicale 72, 13.
  • Criel B, De Brouwere V & Dugas S (1997) Integration of Vertical Programmes in Multi-purpose Health Services, Studies in Health Services Organisation & Policy 3, ITG Press, Antwerp, 37p.
  • De Brouwere V & Pangu KA (1989) The flexibility of an integrated health services in the campaign against Trypanosoma brucei gambiense trypanosomiasis. Annales de la Société belge de Médecine Tropicale 69 (Suppl 1), 221229.
  • Gish O (1992) Malaria eradication and the selective approach to health care: some lessons from Ethiopia. International Journal of Health Services 22, 179192.
  • Kegels G (1995) Development of a methodology for a feasible and efficient approach to health problems by basic health services in rural Africa. An application to sleeping sickness. PhD thesis, University of Antwerp.
  • Loretti A (1989) Leprosy control: the rationale of integration. Leprosy Review 60, 306316.
  • Mills A (1983) Vertical versus horizontal health programmes in Africa: idealism, pragmatism, resources and efficiency. Social Science & Medicine 17, 19711981.