Authors: Sarah K Himes; Kimberly A Dukes; Tara Tripp; Julie M Petersen; Cheri Raffo; Larry Burd; Hein Odendaal; Amy J Elliott; Dale Hereld; Caroline Signore; Marian Willinger; Marilyn A Huestis Journal: Clin Chem Date: 2015-01-16 Impact factor: 8.327