prevalence of parasitism among students of the karen hill-tribe in mae chame district, chiang mai province, thailand.infection caused by intestinal parasites is still a common health problem in a poor-hygiene population especially for children in developing countries. a cross-sectional study was conducted among 781 karen students (age: 3 to 19, males: 325, females: 456) to determine the current status of intestinal parasitic infections in a mountainous area in the north of thailand. the study was drawn from three schools in the doi inthanon region, in mae chame district of chiang mai province, from december 20 ...200416083202
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