TY  - RPRT
TI  - Guidelines for studies of contaminants in biological tissues for the National Water-Quality Assessment Program
AU  - J. K. Crawford
AU  - S. N. Luoma
PY  - 1993
DO  - 10.3133/ofr92494
UR  - https://pubs.usgs.gov/publication/ofr92494
ID  - ofr92494
ER  -