GUGAŁA, B.; SNELA, S. Studies of effectiveness of botuline in treatment of functional contracture of lower extremities in children with cerebral palsy. European Journal of Clinical and Experimental Medicine, [S. l.], v. 5, n. 4, p. 346–349, 2007. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/13309. Acesso em: 16 jul. 2026.