Krishnan, G., S. N, and T. Prasad. “Compensatory Strategies and Feedback of Hyolaryngeal Excursion for Swallow in Treatment of Swallowing Difficulties in Parkinsons Disease: A Case Report”. Journal of All India Institute of Speech and Hearing, Vol. 32, no. 1, Dec. 2013, pp. 90-100, http://203.129.241.91/jaiish/index.php/aiish/article/view/1339.