title: [A preliminary study on the threshold of interruption of transmission of ancylostomiasis].
mesh_terms: D000293:Adolescent; D000723:Ancylostomatoidea / Q000302:isolation & purification; D000724:Ancylostomiasis / Q000453:epidemiology / Q000635:transmission*; D002681:China; D005243:Feces / Q000469:parasitology; D006801:Humans; D012987:Soil / Q000032:analysis*
chemical_list: D012987:Soil