TY  - RPRT
TI  - Longevity vs. esthetics in restorative dentistry.
AU  - G J Christensen
PY  - 1998
DO  - 10.14219/jada.archive.1998.0357
UR  - https://pubmed.ncbi.nlm.nih.gov/9685768/
ID  - 9685768
ER  -