Singh, N., A. K. Gupta, and A. K. Arya. “A Study on Correlation of Umbilical Cord Arterial Blood PH With Perinatal Asphyxia & Early Neonatal Outcome”. Asian Journal of Clinical Pediatrics and Neonatology, Vol. 8, no. 2, July 2020, pp. 30-35, doi:10.47009/ajcpn.2020.8.2.6.