DR. , Heidi Ahonen. Low Frequency Sound Treatment Promoting Physical and Emotional Relaxation – Qualitative Study. International Journal of Psychosocial Rehabilitation, [S. l.], v. 17, n. No. 1, p. 45–58, 2013. DOI: 10.61841/6bbc5m83. Disponível em: https://psychosocial.com/PSY/index.php/ijpr/article/view/3157. Acesso em: 23 feb. 2025.