DAHL, Olav. First things first. Acta Oncologica, [S. l.], v. 44, n. 1, p. 11–12, 2005. DOI: 10.1080/02841860510029608. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/27143. Acesso em: 12 may. 2026.