title: Incidence of Mycoplasma pneumoniae infection in Denmark from 1958 to 1969.
mesh_terms: D000372:Agglutination Tests; D003080:Cold Temperature; D003718:Denmark; D004196:Disease Outbreaks; D005455:Fluorescent Antibody Technique; D006386:Hemagglutination Tests; D006801:Humans; D009174:Mycoplasma; D009175:Mycoplasma Infections / Q000453:epidemiology*; D010507:Periodicity; D012621:Seasons