CALAMASSI, D.; LUCICESARE, A.; POMPONI, G. P.; BAMBI, S. Music tuned to 432 Hz versus music tuned to 440 Hz for improving sleep in patients with spinal cord injuries: a double-blind cross-over pilot study. Acta Biomedica Atenei Parmensis, [S. l.], v. 91, n. 12-S, p. e2020008, 2020. DOI: 10.23750/abm.v91i12-S.10755. Disponível em: https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/10755. Acesso em: 20 oct. 2021.