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Ankrah NA, Sittie A, Addo PG, Ekuban FA.Ankrah NA, et al. Among authors: addo pg.Trans R Soc Trop Med Hyg. 1995 Jan-Feb;89(1):59-61. doi: 10.1016/0035-9203(95)90659-2.Trans R Soc Trop Med Hyg. 1995.PMID: 7747309