Letture consigliate:

1. Carruthers J. et al - Dermatol Surg 1992; 18: 17-21: Treatment of glabellar frown lines with clostridium botulinum A
2. Bartoletti E. - Excerpta MEdica Elsevier Italia: Tossina botulinica in chirurgia plastica ed estetica.
3. Kane M. - Atlas ORal Maxillofac Surg clin North Am 2005; 17(1): 41-49: Botox injections for lower facial rejuvenation
4. Carruthers A. e J. - Elsevier Saunders (NY): Botulinum toxin. Procedure in cosmetic dermatology.