1. The risks and severity of malaria in pregnant women;Brabin BJ;Applied Field Research in Malaria Reports,1991
2. Essential Malariology;Bruce-Chwatt LJ,1985
3. Hookworm infection in pregnancy;Bundy DAP;Trans R Soc Trop Med Hyg,1995
4. Nutrition and immunity;Chandra RK;Trop Geogr Med,1988