1. Anderson, R.M., May, R.M., 1991. Infectious Diseases of Humans: Dynamics and Control. Oxford University Press, Oxford.
2. The epidemiology of human hookworm infections in the southern region of Mali;Behnke;Trop. Med. Int. Health,2000
3. Concurrent infections and HIV pathogenesis;Bentwich;AIDS,2000
4. Helminths, human immunodeficiency virus and tuberculosis;Borkow;Scand. J. Infect. Dis.,2001
5. Epidemiology of poly-parasitism: I. Occurrence, frequency, and distribution of multiple infections in rural communities in Chad, Peru, Afghanistan, and Zaire;Buck;Tropenmed. Parasit.,1978