Malaria and its control in Sri Lanka.
D000818:Animals; D000852:Anopheles; D003634:DDT; D004196:Disease Outbreaks / Q000266:history; D049669:History, 16th Century; D049670:History, 17th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D006801:Humans; D008288:Malaria / Q000266:history / Q000401:mortality / Q000517:prevention & control*; D013188:Sri Lanka
D003634:DDT