Wang, X., Yan, M., Xu, Z. and Zhuang, L. 2023. Maternal and neonatal outcomes in women with twin pregnancies based on gestational weight gain: An updated systematic review and meta-analysis. Pakistan Journal of Medical Sciences. 39, 4 (Jun. 2023). DOI:https://doi.org/10.12669/pjms.39.4.7529.