Geetha C., Nazneen Gangji, Shwetha Krishnan, and Rajashekar B. “Use of Personal Music System: Does It Cause Hearing Loss or Tinnitus?”. Journal of All India Institute of Speech and Hearing, Vol. 28, no. 1, 1, pp. 135-41, http://203.129.241.91/jaiish/index.php/aiish/article/view/390.