Alves, J., J. Goulão, and F. M. Brandão. “TREATMENT OF PRIMARY HYPERHIDROSIS WITH BOTULINUM TOXIN - 5 YEARS EXPERIENCE”. Journal of the Portuguese Society of Dermatology and Venereology, Vol. 71, no. 1, June 2013, pp. 41-46, doi:10.29021/spdv.71.1.122.