TY  - RPRT
TI  - Decrease of DMF-levels 4 years after the introduction of a caries-preventive program, observations in 5819 schoolchildren of 20 communities.
AU  - T M Marthaler
PY  - 1972
UR  - https://pubmed.ncbi.nlm.nih.gov/4156851/
ID  - 4156851
ER  -