Berthin, C. and Maillard, H. 2019. Duration of Efficacy Increases with the Repetition of Botulinum Toxin A Injections in Primary Axillary Hyperhidrosis: A 15-year Study in 117 Patients. Acta Dermato-Venereologica. 99, 13 (Oct. 2019), 1237–1240. DOI:https://doi.org/10.2340/00015555-3307.