TY - RPRT TI - Tumor Prevalence and Biomarkers of Exposure and Response in Brown Bullheads (Ameiurus nebulosus) from the Tidal Potomac River Watershed AU - A.E. Pinkney AU - J.C. Harshbarger AU - E.B. May AU - M. J. Melancon PY - 2000 UR - https://pubs.usgs.gov/publication/5200235 ID - 5200235 ER -