TY  - RPRT
TI  - Ceramic brackets tested in study no longer in circulation.
AU  - A D Viazis
PY  - 1991
DO  - 10.1016/s0889-5406(05)81672-5
UR  - https://pubmed.ncbi.nlm.nih.gov/1986522/
ID  - 1986522
ER  -