TY  - RPRT
TI  - Investigation of eggshell thickness and biochemical indicators of contaminant exposure in Great Blue Herons(Ardea herodias) from Mason Neck National Wildlife Refuge
AU  - K.N. Johnson
AU  - A.E. Pinkney
AU  - M. J. Melancon
AU  - D. J. Hoffman
PY  - 2001
UR  - https://pubs.usgs.gov/publication/5200252
ID  - 5200252
ER  -