The Cases—A Multivariate Approach. Acta Oncologica, [S. l.], v. 30, n. Supp 1, p. 19–22, 1991. DOI: 10.3109/02841869109090077. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/32637. Acesso em: 17 may. 2026.