The United States and malaria: debits and credits.
D002929:Cinchona / Q000266:history; D005582:Foundations; D006077:Government Agencies; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D007306:Insecticides; D008288:Malaria / Q000453:epidemiology / Q000266:history* / Q000401:mortality / Q000517:prevention & control; D010946:Plants, Medicinal; D011803:Quinine / Q000266:history; D014481:United States; D014944:World Health Organization
D007306:Insecticides; D011803:Quinine