Bansal, A., G. Das, and R. Ambey. “Comparison of Pulse Oximetry and Colour: A Better Index of Oxygenation in Neonatal Resuscitation”. International Journal of Contemporary Pediatrics, vol. 3, no. 4, Dec. 2016, pp. 1200-5, doi:10.18203/2349-3291.ijcp20163504.