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Prevalence of A. lumbricoids and S. mansoni by age. A. Prevalence of A. lumbricoids by age among children attending Gorgora and Chuahit Elementary Schools, Northwest Ethiopia from January 20 to February 25, 2012. B. Prevalence of S. mansoni by age among children attending Gorgora and Chuahit Elementary Schools, Northwest Ethiopia from January 20 to February 25, 2012.
