TY - RPRT TI - Butyltin compounds in river otters (Lutra canadensis) from the northwestern United States AU - K. Kannan AU - Robert A. Grove AU - K. Senthilkumar AU - Charles J. Henny AU - J. P. Geisy PY - 1999 DO - 10.1007/pl00006619 UR - https://pubs.usgs.gov/publication/1015991 ID - 1015991 ER -