Urine and Plasma Pharmacokinetics of Lofexidine after Oral Delivery in Opiate-Dependent Patients. - Al Ghananeem, Abeer M.; Herman, Barbara H.; Abbassi, Maggie; Yu, Elmer; Miotto, Karen; O'Brien, Charles P.; Ling, Walter; Montgomery, Ann; Walsh, Robert (American Journal of Drug & Alcohol Abuse, 2009)