TY  - RPRT
TI  - Teaching two toothbrushing techniques: observations and comparisons.
AU  - B B Kimmelman
PY  - 1968
DO  - 10.1902/jop.1968.39.2.96
UR  - https://pubmed.ncbi.nlm.nih.gov/5239781/
ID  - 5239781
ER  -