Re-housing and infections by soil-transmitted helminths in Singapore (a follow-up study).
D002648:Child; D002675:Child, Preschool; D006798:Housing; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009349:Nematode Infections / Q000453:epidemiology*; D012846:Singapore; D012987:Soil
D012987:Soil