title: [Schistosomiasis investigation at 4 villages of Yangjiayuan during a flood in 1999].
authors.forename: Yu-qi
authors.initials: YQ
authors.lastname: Zhang
authors.forename: Juan
authors.initials: J
authors.lastname: Zhang
authors.forename: Hui
authors.initials: H
authors.lastname: Yang
mesh_terms: D000818:Animals; D002681:China / Q000453:epidemiology; D055868:Floods; D006801:Humans; D011156:Population Density; D012552:Schistosomiasis / Q000453:epidemiology*; D012908:Snails; D013997:Time Factors