van Dijk CE, van Gils AL, van Zijl MD, Koullali B, et al. Cervical pessary versus vaginal progesterone in women with a singleton pregnancy, a short cervix, and no history of spontaneous preterm birth at less than 34 weeks' gestation: open label, multicentre, randomised, controlled trial. BMJ 2024;384:e077033.
PMID: 38471724