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Barrett TV, Hoff RH, Mott KE, Miles MA, Godfrey DG, Teixeira R, Almeida de Souza JA, Sherlock IA.Barrett TV, et al. Among authors: hoff rh.Trans R Soc Trop Med Hyg. 1980;74(1):84-90. doi: 10.1016/0035-9203(80)90016-4.Trans R Soc Trop Med Hyg. 1980.PMID: 6776664
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Barrett TV, Hoff R, Mott KE, Guedes F, Sherlock IA.Barrett TV, et al. Among authors: hoff r.Trans R Soc Trop Med Hyg. 1979;73(6):703-9. doi: 10.1016/0035-9203(79)90025-7.Trans R Soc Trop Med Hyg. 1979.PMID: 120045
Piesman J, Sherlock IA, Mota E, Todd CW, Hoff R, Weller TH.Piesman J, et al. Among authors: hoff r.Am J Trop Med Hyg. 1985 Sep;34(5):866-9. doi: 10.4269/ajtmh.1985.34.866.Am J Trop Med Hyg. 1985.PMID: 3929635
Maguire JH, Mott KE, Hoff R, Guimarães A, Franca JT, Almeida de Souza JA, Ramos NB, Sherlock IA.Maguire JH, et al. Among authors: hoff r.Am J Trop Med Hyg. 1982 Jan;31(1):42-7. doi: 10.4269/ajtmh.1982.31.42.Am J Trop Med Hyg. 1982.PMID: 6800274