Treatment of scars with botulinum toxin: level of scientific evidence. Anales de la Real Academia de Medicina y Cirugía de Valladolid, [S. l.], n. 56, p. 415–441, 2023. DOI: 10.24197/aramcv.56.2020.415-441. Disponível em: https://revistas.uva.es/index.php/anamedi/article/view/7862. Acesso em: 17 jan. 2026.