Ninth Symposium Neuroradiologicum Gothenburg 24–29 August 1970. Acta Oncologica, [S. l.], v. 11, n. 4, p. 327–328, 1972. DOI: 10.3109/02841867209130755. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/34673. Acesso em: 19 may. 2026.