Николоска, Катерина, Ива Малахова-Ѓореска, Иво Ќаев, and Александар Петличковски. “Increased Level of IL-8 in Amniotic Fluid in Early Second Trimester Linked With Preterm Pregnancies”. Archives of Public Health 12, no. 1 (February 20, 2020): 5–13. Accessed January 19, 2022. https://id-press.eu/aph/article/view/4472.