GOYENECHEA GUTIÉRREZ, Francisco. Dr. Liubomir Karaguiosov. Revista Cubana de Neurología y Neurocirugía, [S. l.], v. 3, p. S76–S78, 2013. Disponível em: https://revneuro.sld.cu/index.php/neu/article/view/106. Acesso em: 10 ene. 2026.