Otrexup. Antares Pharma. Accessed August 28, 2015 from http://www.otrexup.com/PII-13-001_11Oct13_Final.pdf
Rasuvo. Medac Pharma. Accessed August 28, 2015 from http://cdn.rasuvo.com/assets/pdf/Prescribing-Information-July-2014.pdf
Rheumatrex. Qualitest. U.S. National Library of Medicine, National Institutes of Health, DailyMed. Accessed August 28, 2015 from http://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=2cb70aa1-f73a-41c8-9a7f-edbcf1a06efd
Methotrexate. Micromedex Solutions. Truven Health Analytics. Accessed August 28, 2015 from http://www.micromedexsolutions.com/micromedex2/