TY - RPRT TI - Quantification of 15 bile acids in lake charr feces by ultra-high performance liquid chromatography–tandem mass spectrometry AU - Ke Li AU - Tyler J. Buchinger AU - Ugo Bussy AU - Skye D. Fissette AU - Nicholas S. Johnson AU - Weiming Li PY - 2015 DO - 10.1016/j.jchromb.2015.07.028 UR - https://pubs.usgs.gov/publication/70160791 ID - 70160791 ER -