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Trpis M, Childs JE, Fryauff DJ, Greene BM, Williams PN, Munoz BE, Pacque MC, Taylor HR.Trpis M, et al. Among authors: fryauff dj.Am J Trop Med Hyg. 1990 Feb;42(2):148-56. doi: 10.4269/ajtmh.1990.42.148.Am J Trop Med Hyg. 1990.PMID: 2316786
Hanafi HA, el Sawaf BM, Fryauff DJ, Modi GB, Presley SM.Hanafi HA, et al. Among authors: fryauff dj.Am J Trop Med Hyg. 1996 Jun;54(6):644-6. doi: 10.4269/ajtmh.1996.54.644.Am J Trop Med Hyg. 1996.PMID: 8686785