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Chelimo, Kiprotich, Peter O. Sumba, James W. Kazura, Ayub V. Ofula, and Chandy C. John. Interferon-gamma Responses to Plasmodium Falciparum Liver-stage Antigen-1 and Merozoite-surface Protein-1 Increase With Age in Children in a Malaria Holoendemic Area of Western Kenya. BioMed Central, 2003.

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