TY  - RPRT
TI  - Experience with colloidal thorium dioxide.
AU  - R L Swarm
PY  - 1967
DO  - 10.1111/j.1749-6632.1967.tb50254.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5239230/
ID  - 5239230
ER  -