Sarkisova, L. V. “The State and Indicators of Cytokines in Pregnant Women With Threatened Preterm Labor and Preterm Labor”. American Journal of Pediatric Medicine and Health Sciences (2993-2149), vol. 1, no. 3, May 2023, pp. 79-86, http://grnjournal.us/index.php/AJPMHS/article/view/189.