Phenylephrine/chlorpheniramine. UpToDate 2013. Accessed on 5/9/13 from http://www.uptodate.com/contents/chlorpheniramine-and-phenylephrine-drug-information?source=search_result&search=chlorpheniramine+phenylephrine&selectedTitle=1%7E19
http://dailymed.nlm.nih.gov/dailymed/archives/fdaDrugInfo.cfm?archiveid=54392
http://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=f4972eea-e2bb-4cbc-9010-ed2fe960d8b8
http://www.sudafed.com/products/adult/allergy/sudafed-pe-sinus-allergy#Ingredients
http://www.triaminic.com/products/syrups/cold-and-allergy.shtml
Phenylephrine/chlorpheniramine. Clinical pharmacology 2013. Accessed on 5.9.2013 from http://clinicalpharmacology-ip.com/Forms/Monograph/monograph.aspx?cpnum=966&sec=monsup&t=0