TY  - GEN
AU  - Roberts,L E
TI  - Radiation limits
SN  - 0028-0836
PY  - 1989///0821
KW  - Humans
KW  - Maximum Allowable Concentration
KW  - Radiation Dosage
KW  - United Kingdom
N1  - Publication Type: Letter; Comment
UR  - https://doi.org/10.1038/340272c0
ER  -