Gupta, A., D. Shetty, and P. Philip. “Single Umbilical Artery With Antenatally Diagnosed Umbilical Artery Aneurysm in a Newborn: A Rare Case Report”. International Journal of Contemporary Pediatrics, vol. 4, no. 1, Dec. 2016, pp. 254-6, doi:10.18203/2349-3291.ijcp20163984.