[Active-passive prophylaxis. Attempt at analysis and construction of a model].
D003731:Dental Caries / Q000382:microbiology / Q000517:prevention & control*; D003777:Dental Prophylaxis / Q000379:methods; D006801:Humans; D008962:Models, Theoretical
Aktiv-passiv profylakse. Et forsøg på an analipe og opstilling af en model