NILSSON, Agnar. Radiostrontium-Induced Carcinomas of the External Ear. Acta Oncologica, [S. l.], v. 10, n. 3, p. 321–328, 1971. DOI: 10.3109/02841867109130796. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/33960. Acesso em: 16 may. 2026.