Examining the effects of second-and third-trimester gestational weight gain rates on the perinatal outcomes among Chinese twin pregnancies: a retrospective cohort study. - Lin, Li-hua; Weng, Yi-lin; Lin, Ying-ying; Huang, Xiu-xian; Lin, Yang; Xiu, Xiao yan; Yan, Jian-ying; Lin, Juan (BMC Pregnancy & Childbirth, 2022)