TY  - RPRT
TI  - Decrease in and polarization of dental caries occurrence among child and youth populations, 1976-1993.
AU  - M Vehkalahti
AU  - L Tarkkonen
AU  - S Varsio
AU  - P Heikkilä
PY  - 1997
DO  - 10.1159/000262392
UR  - https://pubmed.ncbi.nlm.nih.gov/9165184/
ID  - 9165184
ER  -