Mital, P., R. Ainani, N. Hooja, P. Sonkhya, V. Pradodh, K. Chaudhary, U. Kharbas, S. Sethi, J. Singh, and A. Chaudhary. “A Cross-Sectional Study to Evaluate Sonographic Foetal Humerus Length for Estimation of Gestational Age in Normal Singleton Pregnancies at a Tertiary Care Centre”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 8, no. 9, Aug. 2019, pp. 3622-8, doi:10.18203/2320-1770.ijrcog20193786.