TY  - RPRT
TI  - A void in U.S. restorative dentistry.
AU  - G J Christensen
PY  - 1995
DO  - 10.14219/jada.archive.1995.0152
UR  - https://pubmed.ncbi.nlm.nih.gov/7860894/
ID  - 7860894
ER  -