Validating the ratio of insulin like growth factor binding protein 4 to sex hormone binding globulin as a prognostic predictor of preterm birth in Viet Nam: a case-cohort study
J Matern Fetal Neonatal Med. 2024 Dec;37(1):2333923. doi: 10.1080/14767058.2024.2333923. Epub 2024 Apr 7. ABSTRACT OBJECTIVE: To validate a serum biomarker developed in the USA for …