TY  - RPRT
TI  - Thorium dioxide: still around.
AU  - G Velasquez
AU  - C F Ward
AU  - S P Bohrer
PY  - 1985
DO  - 10.1097/00007611-198506000-00033
UR  - https://pubmed.ncbi.nlm.nih.gov/4002009/
ID  - 4002009
ER  -