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Prevalence and intensity of intestinal helminth infections in 9 provinces of Lao PDR (2007-2011)
aOv/MIF: Opisthorchis viverrini/minute intestinal flukes (mostly Haplorchis taichui), Al: Ascaris lumbricoides, Hw: hookworms, Tt: Trichuris trichiura, Ech: Echinostome, Ts: Taenia spp.
