Hennessy Sean, Leonard Charles E, Freeman Cristin P, Metlay Joshua P, Chu Xin, Strom Brian L, Bilker Warren B
Center for Clinical Epidemiology & Biostatistics and Department of Biostatistics & Epidemiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA.
J Clin Pharmacol. 2009 Dec;49(12):1483-7. doi: 10.1177/0091270009343006. Epub 2009 Jul 17.