Therapeutic benefit of botulinum toxin A for spasticity of the triceps surae in patients with multiple sclerosis: an observational study on gait spatiotemporal parameters. (25th December 2016) - Leblong, Emilie; Fraudet, Bastien; Petrilli, Sabine; Berthier, Tiphaine; Autret, Katrell; Gambert, Solenne; Anne, Carole; Nicolas, Benoit; Gallien, Philippe