Carrillo, R. J. D., Grullo, P. E. R., & San Agustin, M. L. M. (2015). A Cotton Wick Improves Hearing in a Patient with Profound Hearing Loss. Philippine Journal of Otolaryngology Head and Neck Surgery, 30(2), 56–58. https://doi.org/10.32412/pjohns.v30i2.357