[Ornithosis infection among the coal-miners of the north of France].
D003031:Coal; D003032:Coal Mining; D005602:France; D006801:Humans; D008171:Lung Diseases / Q000453:epidemiology*; D009956:Psittacosis / Q000453:epidemiology*
D003031:Coal
COAL MINING; LUNG DISEASES/epidemiology; ORNITHOSIS/epidemiology