Porman Surtana Siahaan, Hatsari Marintan. “THE ACCURACY OF RISK SCORES IN PREDICTING PRETERM BIRTH : A SYSTEMATIC REVIEW”. Journal of Advanced Research in Medical and Health Science (ISSN 2208-2425), vol. 9, no. 10, Oct. 2023, pp. 14-20, https://doi.org/10.53555/8ketwx72.