TY  - RPRT
TI  - Tannic acid for smear layer removal: pilot study with scanning electron microscope.
AU  - J A Orlowski
PY  - 1989
DO  - 10.1016/0022-3913(89)90192-3
UR  - https://pubmed.ncbi.nlm.nih.gov/2585316/
ID  - 2585316
ER  -