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Helminth egg positive rates in the feces of schoolchildren and residents in Koh Kong, Kam Pot, and Kampong Som, Cambodia in 2007
Al, Ascaris lumbricoides; Hw, hookworms; Tt, Trichuris trichiura; Ov, Opisthorchis viverrini; Hn, Hymenolepis nana; Ev, Enterobius vermicularis; Ech, Echinostoma sp.; Others, unidentified parasite eggs.
