TY  - RPRT
TI  - Statistical methods for estimating the mean and variance from radionuclide data sets containing negative, unreported or less-than values.
AU  - R O Gilbert
AU  - R R Kinnison
PY  - 1981
DO  - 10.1097/00004032-198103000-00012
UR  - https://pubmed.ncbi.nlm.nih.gov/7228688/
ID  - 7228688
ER  -