TY  - RPRT
TI  - Screening the environment.
AU  - Robert H Bradley
AU  - Bettye M Caldwell
PY  - 1978
DO  - 10.1111/j.1939-0025.1978.tb01293.x
UR  - https://pubmed.ncbi.nlm.nih.gov/146434/
ID  - 146434
ER  -