Guedes, J. F. C., & Dias Antonio, Y. M. R. (2025). Cochlear Implant in the State of Pará: Historical Trajectory and the Role of the Bettina Ferro de Souza University Hospital as a Regional Reference Center. Brazilian Journal of Health Aromatherapy and Essential Oil, 2(1), bjhae26. https://doi.org/10.62435/2965-7253.bjhae.2025.bjhae26