The Effect of Change in Posture on Spirometry in Patients with Obstructive Sleep Apnoea Syndrome Journal title: Sultan Qaboos University Medical Journal Authors: Redha Al Lawati, Mohammed A. Al Abri, Balaji Kuppuswamy, Amira Al-Kharousi, Al Yaqdhan Al-Atbi, Syed... Subject(s): Medicine, Biochemistry, Biomedicine