Guaifenesin. Clinical Pharmacology. Accessed 9/29/15 from http://www.clinicalpharmacology.com.
Guaifenesin tablet. 2013 Avkare Inc. Accessed 9/29/15 from http://dailymed.nlm.nih.gov/dailymed/fda/fdaDrugXsl.cfm?setid=d38eed2d-1df8-84d4-aa6e-0fc98f0a5be9&type=display
Lexi-Interact. Accessed 9/29/15 from http://www-uptodate-com.ezproxy3.lhl.uab.edu/contents/drug-interaction.