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White NJ, Chapman D, Watt G.White NJ, et al. Among authors: watt g.Trans R Soc Trop Med Hyg. 1992 Nov-Dec;86(6):590-7. doi: 10.1016/0035-9203(92)90141-x.Trans R Soc Trop Med Hyg. 1992.PMID: 1287908
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Watt G, Jogsakul K, Long GW.Watt G, et al.Trans R Soc Trop Med Hyg. 1992 Nov-Dec;86(6):612-3. doi: 10.1016/0035-9203(92)90148-6.Trans R Soc Trop Med Hyg. 1992.PMID: 1287913No abstract available.