TY - RPRT TI - An isotope-dilution standard GC/MS/MS method for steroid hormones in water AU - William T. Foreman AU - James L. Gray AU - Rhiannon C. ReVello AU - Chris E. Lindley AU - Scott A. Losche PY - 2013 DO - 10.1021/bk-2013-1126.ch004 UR - https://pubs.usgs.gov/publication/70042906 ID - 70042906 ER -