title: [The evaluation of the root canal microflora in periapical periodontitis in Saint-Petersburg residents in different years].
authors.forename: R K
authors.initials: RK
authors.lastname: Drozdova
authors.forename: V M
authors.initials: VM
authors.lastname: Rekhachev
authors.forename: I E
authors.initials: IE
authors.lastname: Vinogradova
authors.forename: T N
authors.initials: TN
authors.lastname: Suborova
mesh_terms: D003786:Dental Pulp Cavity / Q000382:microbiology*; D005658:Fungi / Q000302:isolation & purification; D006090:Gram-Negative Bacteria / Q000302:isolation & purification; D006094:Gram-Positive Bacteria / Q000302:isolation & purification; D006801:Humans; D010485:Periapical Periodontitis / Q000382:microbiology*; D012426:Russia; D013997:Time Factors; D014505:Urban Population