Pal, K., Chakraborty, D., Kundu, S. and Mukhopadhyay, S. (2016) “Collaural Fistula: A Case Report”, Bengal Journal of Otolaryngology and Head Neck Surgery. Kolkata, India, 24(3), pp. 157-160. doi: 10.47210/bjohns.2016.v24i3.98.