1. Botulinum toxin type A: History and current cosmetic use in the upper face
2. Hatheway CL . Clostridium botulinum: ecology and control in foods. In: Hauschild AHW Dodds KL , editors. Food Science and Technology, vol. 54. New York: Marcel Dekker; 1993. 3 20.
3. U.S. Food and Drug Administration. Information for Healthcare Professionals: OnabotulinumtoxinA (marketed as Botox/Botox Cosmetic), AbobotulinumtoxinA (marketed as Dysport) and RimabotulinumtoxinB (marketed as Myobloc). http://www.fda.gov/Drugs/DrugSafety/PostmarketDrugSafetyInformationforPatientsandProviders/DrugSafetyInformationforHeathcareProfessionals/ucm174949.htm . Accessed January 30, 2014.
4. Botulinum toxin type A injections: Adverse events reported to the US Food and Drug Administration in therapeutic and cosmetic cases
5. The evolution of botulinum neurotoxin type A for cosmetic applications