1. 22. Drug Usage Statistics for the United States (2005 to 2015). DrugStats Database [Internet]. ClinCalc, LLC, 2018. (http://clincalc.com/DrugStats/About.aspx).
2. 21. Common Terminology Criteria for Adverse Events (CTCAE) Version 4.0. May 28, 2009 (v4.03: June 14, 2010) [Internet]. U.S. Department of Health and Human Services National Institutes of Health; National Cancer Institute, 2010. (http://www.hrc.govt.nz/sites/default/files/CTCAE%20manual%20-%20DMCC.pdf).
3. 24. American Hospital Formulary Service (AHFS) Drug Information Essentials [Internet]. American Society of Health-System Pharmacists, 2018. (http://www.ahfsdruginformation.com/ahfs-drug-information/).
4. Chemical Structure-Related Drug-Like Criteria of Global Approved Drugs