TY  - RPRT
TI  - Does 4 equal 2? Decisions based on radon measurements.
AU  - N H Harley
PY  - 1990
DO  - 10.2105/ajph.80.8.905
UR  - https://pubmed.ncbi.nlm.nih.gov/2368846/
ID  - 2368846
ER  -