(1) Clinical Indications and Injection Technique for the Cosmetic Use of Botulinum A Exotoxin

• CARRUTHERS, ALASTAIR FRCPC1; CARRUTHERS, JEAN FRCSC1
• Author Information
• Dermatologic Surgery: November 1998 – Volume 24 – Issue 11 – p 1189-1194
• doi: 10.1111/j.1524-4725.1998.tb04097.x

(2) Dermatol surg 1998 Nov;24(11):1232-4.

• doi: 10.1111/j.1524-4725.1998.tb04103.x.
• Cosmetic use of botulinum A exotoxin for the aging neck
• F S Brandt ¹, B Bellman
• PMID: 9834744
• DOI: 10.1111/j.1524-4725.1998.tb04103.x

(3)- Semin Cutan Med Surg  2001 Jun;20(2):71-84.

• doi: 10.1053/sder.2001.25138.
• Botulinum toxin type A: history and current cosmetic use in the upper face
• A Carruthers ¹, J Carruthers
• PMID: 11474747
• DOI: 10.1053/sder.2001.25138

(4) Dermatol Ther

• Nov-Dec 2007;20(6):407-13.
•  doi: 10.1111/j.1529-8019.2007.00156.x.
• Botox in men
• Timothy Corcoran Flynn ¹
• PMID: 18093014
• DOI: 10.1111/j.1529-8019.2007.00156.x