TY  - RPRT
TI  - Oscillatory pattern of sonically powered endodontic files.
AU  - A D Walmsley
AU  - P J Lumley
AU  - W R Laird
PY  - 1989
DO  - 10.1111/j.1365-2591.1989.tb00910.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2634620/
ID  - 2634620
ER  -