Kapvay [package insert]. Atlanta, GA: Shionogi Pharma, Inc.;2010 September.
Nexiclon XR Tablets [package insert]. Cupertino, CA: NextWave Pharmaceuticals, Inc.;2010 November.
Nexiclon XR Suspension [package insert]. Cupertino, CA: NextWave Pharmaceuticals, Inc.;2010 November.
Clonidine Transdermal System [package insert]. Spring Valley, NY: Par Pharmaceutical Companies, Inc.;2008 November.
Catapres [package insert]. Ridgefield, CT: Boehringer Ingelheim Pharmaceuticals, Inc.;2009 November.
Catapres-TTS [package insert]. Ridgefield, CT: Boehringer Ingelheim Pharmaceuticals, Inc.;2009 October.
Duraclon [package insert]. Newport, KY: Xanodyne pharmaceuticals, inc.; 2006 February.
Food and Drug Administration, Center for Drug Evaluation and Research. Electronic orange book: approved drug products with therapeutic equivalence evaluations. FDA Web site. Available at: http://www.fda.gov/cder/ob/. Accessed April 21, 2009.
Briggs GG, Freeman RK, Yaffe SJ. Drugs in Pregnancy and Lactation. 8th ed. Philadelphia (PA): Lippincott Williams & Wilkins; 2008.
National Library of Medicine (US). Drugs and Lactation Database (LactMED). NLM Web site. Available at: http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT. Accessed April 21, 2009.