TSYMBALIUK, V. Always in the ranks: the 90th anniversary of Professor Leonard P. Chepkiy. Ukrainian Neurosurgical Journal, [S. l.], n. 2, p. 89–91, 2015. DOI: 10.25305/unj.45304. Disponível em: https://theunj.org/article/view/45304. Acesso em: 8 may. 2024.