Pishgahi, M., Bozorgmehr, R., Rastgari, M. and Abbasi, M. A. (2016) “Effect of Nocturnal Oxygen Therapy on Electrocardiographic Changes Among Patients with Congestive Heart Failure”, International Journal of Cardiovascular Practice, 1(2), pp. 33–35. doi: 10.20286/ijcp-010204.