Kundi, Maj Nasir Akram, et al. “COMPARISON BETWEEN CARBONDIOXIDE LASER AND COLD INSTRUMENTS IN TREATMENT OF VOCAL NODULE: Treatment of Vocal Nodule”. Pakistan Armed Forces Medical Journal, vol. 63, no. 1, Mar. 2013, pp. 89-93, https://pafmj.org/PAFMJ/article/view/2178.