TY  - RPRT
TI  - Thorium X: not yet a closed chapter.
AU  - D C Widdowson
AU  - P G Shakespeare
PY  - 2006
DO  - 10.1002/lsm.20287
UR  - https://pubmed.ncbi.nlm.nih.gov/16470846/
ID  - 16470846
ER  -