TY - CHAP M1 - Book, Section TI - Botulinum Toxin A1 - Tannous, Zeina A1 - Avram, Mathew M. A1 - Tsao, Sandy A1 - Avram, Marc R. Y1 - 2011 N1 - T2 - Color Atlas of Cosmetic Dermatology, 2e AB - Botulinum toxin is a protein produced by the bacterium Clostridium botulinum. Seven serotypes exist, designated as A, B, C1, D, E, F, and G. Each one of them is a protease with a light chain linked to a heavy chain by a disulfide bond. SN - PB - The McGraw-Hill Companies, Inc. CY - New York, NY Y2 - 2024/03/29 UR - dermatology.mhmedical.com/content.aspx?aid=1175821444 ER -