"Rheumatic" heart disease, psittacosis and the importance of epidemiology.
D004697:Endocarditis, Bacterial / Q000209:etiology; D004812:Epidemiologic Methods; D006349:Heart Valve Diseases / Q000209:etiology*; D006801:Humans; D009956:Psittacosis / Q000150:complications*; D012214:Rheumatic Heart Disease / Q000150:complications*