Chatterjee, Indranil, Rabi Hembram, Arpita Chatterjee Shahi, and Ashok Kumar Sinha. 2017. “Effect of Different Positions of the Head on Tympanometry Results: An Exploratory Study”. Bengal Journal of Otolaryngology and Head Neck Surgery 25 (1). Kolkata, India:34-38. https://doi.org/10.47210/bjohns.2017.v25i1.109.