<ol class="cite-this-references"><li id="reference-A180322">Inoue K, Yuasa H: Molecular basis for pharmacokinetics and pharmacodynamics of methotrexate in rheumatoid arthritis therapy. Drug Metab Pharmacokinet. 2014;29(1):12-9. Epub 2013 Nov 26. [<a href="/articles/A180322" target="_blank">Article</a>] </li><li id="reference-A180325">Przekop PR Jr, Tulgan H, Przekop AA, Glantz M: Adverse drug reaction to methotrexate: pharmacogenetic origin. J Am Osteopath Assoc. 2006 Dec;106(12):706-7. [<a href="/articles/A180325" target="_blank">Article</a>] </li><li id="reference-A180400">Muhrez K, Benz-de Bretagne I, Nadal-Desbarats L, Blasco H, Gyan E, Choquet S, Montigny F, Emond P, Barin-Le Guellec C: Endogenous metabolites that are substrates of organic anion transporter's (OATs) predict methotrexate clearance. Pharmacol Res. 2017 Apr;118:121-132. doi: 10.1016/j.phrs.2016.05.021. Epub 2016 May 19. [<a href="/articles/A180400" target="_blank">Article</a>] </li><li id="reference-L7144">FDA Approved Drug Products: Methotrexate Oral Solution [<a href="https://www.accessdata.fda.gov/drugsatfda_docs/label/2018/208004s002lbl.pdf" target="_blank">Link</a>] </li><li id="reference-L7147">FDA Approved Drug Products: Methotrexate Subcutaneous Injection [<a href="https://www.accessdata.fda.gov/drugsatfda_docs/label/2018/205776s002lbl.pdf" target="_blank">Link</a>] </li><li id="reference-L7150">FDA Approved Drug Products: Methotrexate Prefilled Syringe for Subcutaneous Injection [<a href="https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/204824s009lbl.pdf" target="_blank">Link</a>] </li><li id="reference-L7180">FDA Approved Drug Products: Methotrexate Injection [<a href="https://www.accessdata.fda.gov/drugsatfda_docs/label/2018/011719s125lbl.pdf" target="_blank">Link</a>] </li><li id="reference-L7198">FDA Approved Drug Products: Methotrexate Sodium Oral Tablets [<a href="https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&amp;ApplNo=008085" target="_blank">Link</a>] </li><li id="reference-L7204">Cayman Chemicals: Methotrexate MSDS [<a href="https://www.caymanchem.com/msdss/13960m.pdf" target="_blank">Link</a>] </li><li id="reference-L10457">FDA Approved Drug Products: RediTrex Methotrexate Subcutaneous Injection [<a href="https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/210737s000lbl.pdf" target="_blank">Link</a>] </li><li id="reference-L38854">FDA Approved Drug Products: METHOTREXATE injection, for intravenous, intramuscular, subcutaneous, or intrathecal use [<a href="https://www.accessdata.fda.gov/drugsatfda_docs/label/2021/011719Orig1s131lbl.pdf" target="_blank">Link</a>] </li></ol>