TY  - RPRT
TI  - LOW-BACKGROUND BETA COUNTERS FOR IODINE-131 SOURCES.
AU  - C F BARNABY
PY  - 1964
DO  - 10.1038/204068a0
UR  - https://pubmed.ncbi.nlm.nih.gov/14240117/
ID  - 14240117
ER  -