S. F. Nadeem, T. H. Babar, A. A. Khan, M. U. Asim, M. J. Malik, and M. I. Ahmad, “Role of Sonographic Measurement of Fetal Foot Length in Estimating Gestational Age: A Hospital Based Study in South Punjab”, PAFMJ, vol. 72, no. 3, pp. 826–30, Jun. 2022.