Srivastava, Anshuman, and Utkarsh Sharma. “Study of Correlation of Gestational Age Estimation by New Ballard Score With Inter Mammary Distance in New Born”. International Journal of Research in Medical Sciences 4, no. 2 (December 25, 2016): 529–532. Accessed May 6, 2026. https://www.msjonline.org/index.php/ijrms/article/view/533.