Han, L., Ma, J., Wang, S. and Li, Z. 2022. Evaluation of bone mineral density in patients with gestational diabetes mellitus by ultrasonic bone mineral density measurement combined with Vitamin-D deficiency and analysis of influencing factors. Pakistan Journal of Medical Sciences. 38, 4 (Mar. 2022). DOI:https://doi.org/10.12669/pjms.38.4.5090.