title: Decrease in the incidence of dental caries in 6-7 years old Copenhagen elementary school children 1936-1943.
authors.forename: C
authors.initials: C
authors.lastname: KROHN
authors.forename: P O
authors.initials: PO
authors.lastname: PEDERSEN
mesh_terms: D002648:Child; D003731:Dental Caries; D006801:Humans; D015994:Incidence; D014070:Tooth