Investigation of pyrexias of unknown origin in Ceylon. A preliminary report.
D002006:Brucellosis; D005334:Fever; D006801:Humans; D007922:Leptospirosis; D012282:Rickettsia Infections; D013188:Sri Lanka; D014777:Virus Diseases
BRUCELLOSIS; FEVER; LEPTOSPIROSIS; RICKETTSIAL DISEASES; VIRUS DISEASES