TY  - RPRT
TI  - [A toothbrushing training machine and its efficiency].
AU  - K Hasegawa
AU  - N Tonogi
AU  - K Hoshi
AU  - Y Machida
PY  - 1984
UR  - https://pubmed.ncbi.nlm.nih.gov/6206571/
ID  - 6206571
ER  -