Al Lawati, R., Al Abri, M. A., Kuppuswamy, B., Al-Kharousi, A., Al-Atbi, A. Y., Rizvi, S., & Dikshit, M. (2019). The Effect of Change in Posture on Spirometry in Patients with Obstructive Sleep Apnoea Syndrome. Sultan Qaboos University Medical Journal, 19(4), e310–315. https://doi.org/10.18295/squmj.2019.19.04.006