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Muro A, Rodriguez-Medina JR, Hillyer GV.Muro A, et al.Am J Trop Med Hyg. 1993 Mar;48(3):457-63. doi: 10.4269/ajtmh.1993.48.457.Am J Trop Med Hyg. 1993.PMID: 7682383
Muro A, Martin FS, Rodriguez-Medina JR, Hillyer GV.Muro A, et al.Am J Trop Med Hyg. 1994 Nov;51(5):684-9. doi: 10.4269/ajtmh.1994.51.684.Am J Trop Med Hyg. 1994.PMID: 7985762