The evolution of tropical medicine: a historical perspective.
D001432:Bacteriology / Q000266:history*; D004501:Education, Medical; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008887:Military Medicine / Q000266:history; D010274:Parasitology / Q000266:history*; D012106:Research; D013663:Teaching; D014330:Tropical Medicine / Q000193:education / Q000266:history*; D014481:United States