European and Italian regulation on orphan medicinal products. Farmeconomia. Health Economics and Therapeutic Pathways, [S. l.], v. 14, n. 2, p. 89–98, 2013. DOI: 10.7175/fe.v14i2.633. Disponível em: https://journals.seedstm.com/index.php/FE/article/view/633. Acesso em: 28 dec. 2025.