—, —. 50th anniversary of Sergiy Petrovych Grygoruk. Ukrainian Neurosurgical Journal, [S. l.], n. 1, p. 78, 2008. DOI: 10.25305/unj.108898. Disponível em: https://theunj.org/article/view/108898. Acesso em: 2 may. 2024.