Tayyaba Anis Chaudhry, Aysha Mushtaq, Ayesha Zafar, Rubab Rameez, Tooba Jamal and Fatima Iqbal (2022) “Chronic Obstructive Sleep Apnea: A Predictor of Abnormal Glucose Metabolism”, Pakistan Journal of Chest Medicine, 28(2), pp. 162–166. doi: 10.1996/pjcm.v28i2.806.