TY - RPRT TI - Quantitative polymerase chain reaction for transforming growth factor-β applied to a field study of fish health in Chesapeake Bay tributaries AU - Craig A. Harms AU - Christopher A. Ottinger AU - Vicki S. Blazer AU - Christine L. Densmore AU - Laurence H. Pieper AU - Suzanne Kennedy-Stoskopf PY - 2000 DO - 10.1289/ehp.00108447 UR - https://pubs.usgs.gov/publication/1015021 ID - 1015021 ER -