1. Nelson LS, Howland MA, Lewin NA, Smith SW, Goldfrank LR, Hoffman RS. Goldfrank's Toxicologic Emergencies, 11e. Edmonson KG, Pancotti R (ed): McGraw-Hill Education, 2019. https://accessemergencymedicine.mhmedical.com/content.aspx?bookid=2569§ionid=210256528.
2. Methemoglobinemia and benzocaine;Moos DD;Gastroenterol Nurs,2007
3. Acute management of cocaine-associated methaemoglobinaemia;Weichert I;Case Rep Med,2011
4. An unusual cause of methaemoglobinaemia;Conway R;Ir Med J,2009
5. Cocaine can turn you blue as well!;Chakladar A;Anaesthesia,2010