Preface. Acta Oncologica, [S. l.], v. 30, n. Supp 1, p. iii, 1991. DOI: 10.3109/02841869109090073. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/32764. Acesso em: 19 may. 2026.