Robinson, PhD, C.Y., Rubino, PharmD, C.M. and Farr, PhD, S.J. 2015. A pharmacokinetic evaluation of single and multiple doses of extended-release hydrocodone bitartrate in subjects experiencing surgical or osteoarthritic pain. Journal of Opioid Management. 11, 5 (Sep. 2015), 405–415. DOI:https://doi.org/10.5055/jom.2015.0290.