Abstracts of Theses from the Nordic Countries. Acta Oncologica, [S. l.], v. 27, n. 6, p. 866–868, 1988. DOI: 10.3109/02841868809094373. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/34738. Acesso em: 20 may. 2026.