Obstetrics and Gynecology a multiparameter analysis-, GINEKOLOGIA POLSKA, sa.42, ss.1-22, 2022 [Selek Ş., Gül A. Z. , Atakul N., Meydan S., Sarıkaya A., Köktaşoğlu F., Atamer Y., -Investigation of serum enzyme activities and oxidative stress markers in preeclampsia]