NYGREN, Peter. Always look at the bright side of drugs?. Acta Oncologica, [S. l.], v. 54, n. 2, p. 145–147, 2015. DOI: 10.3109/0284186X.2014.1001874. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/25796. Acesso em: 17 may. 2026.