title: Relapse in malaria--an enigma.
mesh_terms: D000818:Animals; D004912:Erythrocytes / Q000469:parasitology; D005060:Europe; D000882:Haplorhini; D006666:History of Medicine; D006801:Humans; D008288:Malaria / Q000266:history* / Q000469:parasitology; D010961:Plasmodium; D010963:Plasmodium falciparum; D010966:Plasmodium vivax; D012008:Recurrence; D014481:United States