TY - RPRT TI - Multiple stressors in amphibian communities: Effects of chemical contamination, bullfrogs, and fish AU - M.D. Boone AU - R. D. Semlitsch AU - E. E. Little AU - M. C. Doyle PY - 2007 DO - 10.1890/1051-0761(2007)017[0291:msiace]2.0.co;2 UR - https://pubs.usgs.gov/publication/70033152 ID - 70033152 ER -