L. Kupriianova and A. Pakhlivanzade, “Immunohistochemical features of the collagen’ formation in the uterus of fetuses with a gestational term of 21-28 weeks from mothers, whose pregnancy was complicated by preeclampsia of different stage of severity”, J Educ Health Sport, vol. 11, no. 9, pp. 828–840, Sep. 2021.