TY - RPRT TI - Relation among cytochrome P450, AH-active PCB congeners and dioxin equivalents in pipping black-crowned night-heron embryos AU - Barnett A. Rattner AU - Jeff S. Hatfield AU - M. J. Melancon AU - T. W. Custer AU - D. E. Tillitt PY - 1994 DO - 10.1002/etc.5620131112 UR - https://pubs.usgs.gov/publication/5222695 ID - 5222695 ER -