TY  - RPRT
TI  - Toothbrushing in Finland.
AU  - H Murtomaa
PY  - 1979
DO  - 10.1111/j.1600-0528.1979.tb01213.x
UR  - https://pubmed.ncbi.nlm.nih.gov/293235/
ID  - 293235
ER  -