Raza, C. S. N., Manzoor, T., Khan, W., Rahat, Z. M., Naqvi, N. U., Ahsan, Q., Abbas, A., & Shabbir, A. (2010). COMPARISON OF LOCALLY MADE PHONATING DEVICE VERSUS OESOPHAGEAL SPEECH IN POSTLARYNGECTOMY SPEECH REHABILITATION: Locally Made Phonating Device for Speech Rehabilitation. Pakistan Armed Forces Medical Journal, 60(2), 241-6. https://www.pafmj.org/PAFMJ/article/view/798