@misc{indiciaed0cb5b76e42e, title = {Decrease of DMF-levels 4 years after the introduction of a caries-preventive program, observations in 5819 schoolchildren of 20 communities.}, author = {T M Marthaler}, year = {1972}, url = {https://pubmed.ncbi.nlm.nih.gov/4156851/}, note = {Source identifier: 4156851} }