title: [Investigations on the variability of the bacterial flora in the years 1971-1984].
mesh_terms: D004352:Drug Resistance, Microbial; D006801:Humans; D009059:Mouth Diseases / Q000188:drug therapy / Q000382:microbiology*
vernacular_title: Badanie zmiennósci flory bakteryjnej w latach 1971-1984.