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2. Aspects of host-parasite interactions in the rhesus-P. cynomolgi-A. stephensi system;Chen,1974
3. Preliminary studies on vaccination of rhesus monkeys with irradiated sporozoites of Plasmodium knowlesi and characterization of surface antigens of these parasites;Gwadz;Bull. WHO,1970
4. Immunization of man against falciparum and vivax malaria by use of attenuated sporozoites;Clyde;Am. J. Trop. Med. Hyg.,1975
5. Clinical studies with a sporozoite vaccine against falciparum malaria;Riekmann;Bull. WHO,1979