title: Epidemiological aspects of human ornithosis in Hungary (1967--1972).
mesh_terms: D004196:Disease Outbreaks / Q000453:epidemiology; D005525:Food-Processing Industry; D006801:Humans; D006814:Hungary; D009784:Occupational Diseases / Q000453:epidemiology*; D011202:Poultry Products; D009956:Psittacosis / Q000453:epidemiology*