Intraoperative use of lateral spread response measurement in the upper orbicularis oculi and mandibular muscles in patients with hemifacial spasm after botulinum toxin treatment. - Amano Y; Asayama B; Noro S; Abe T; Okuma M; Nomura R; Honjo K; Seo Y; Nakamura H (Acta neurochirurgica, 2025)