George, E. & Schneyder, N. (2014, May). Reduction in Post-Botulinum Toxin Flu-like Symptoms After Injection with Incobotulinum Toxin. Poster session presented at the meeting of the American Academy of Neurology, Philadelphia, PA. Available at: http://digitalcommons.wayne.edu/med_neurology/1

Flu-like Symptoms and Associated Immunological Response Following Therapy with Botulinum Toxins; José Fidel Baizabal-Carvallo, Joseph Jankovic; Neurotox Res (2013) 24:298–306

(PDF) Flu-like Symptoms and Associated Immunological Response Following Therapy with Botulinum Toxins. Available from: https://www.researchgate.net/ publication/236912142_Flu-like_Symptoms_and_Associated_Immunological_ Response_Following_Therapy_with_Botulinum_Toxins [accessed Oct 09 2018].

(PDF) Flu-like Symptoms and Associated Immunological Response Following Therapy with Botulinum Toxins. Available from: https://www.researchgate.net/ publication/236912142_Flu-like_Symptoms_and_Associated_Immunological_ Response_Following_Therapy_with_Botulinum_Toxins [accessed Oct 09 2018].