Lapatinib. Clinical Pharmacology Online. 2015 Gold Standard Inc. Accessed April 23, 2015 from http://www.clinicalpharmacology.com.
Tykerb (lapatinib) tablets. 2015 GSK. Accessed April 23, 2015 from https://www.gsksource.com/pharma/content/dam/GlaxoSmithKline/US/en/Prescribing_Information/Tykerb/pdf/TYKERB-PI-PIL.PDF
Lexi-Interact. 2015 Lexi Comp Inc. Accessed Apr 19, 2015 from www. http://www-uptodate-com.ezproxy3.lhl.uab.edu/crlsql/interact/frameset.jsp.