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Molina R, López-Vélez R, Gutiérrez-Solar B, Jiménez I, Alvar J.Molina R, et al. Among authors: alvar j.Trans R Soc Trop Med Hyg. 1992 Sep-Oct;86(5):516. doi: 10.1016/0035-9203(92)90092-q.Trans R Soc Trop Med Hyg. 1992.PMID: 1475819No abstract available.