YAKYMCHUK, Yu. B., BOYCHUK, A. V., FRANCHUK, A. Yu., KOPTYUK, V. I. and YAKYMCHUK, O. M. TNF-α and TNF-R-1 level in pregnancy with ecotopic pregnancy. Journal of Education, Health and Sport. Online. 28 December 2019. Vol. 9, no. 12, pp. 131-135. [Accessed 17 May 2025]. DOI 10.12775/JEHS.2019.09.12.015.