TERJE BRUSTUGUN, Odd; HELLAND, Åslaug. Rapid reduction in the incidence of cancer of unknown primary. A population-based study. Acta Oncologica, [S. l.], v. 53, n. 1, p. 134–137, 2014. DOI: 10.3109/0284186X.2013.783230. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/26957. Acesso em: 2 may. 2026.