LipinaО. V., GorobchenkoО. А., NardidО. А., YasunovaО. S., and NikolovО. Т. 1. “Dielectric Properties of Human Cord Blood Serum After Long-Term Low Temperature Storag”. Biophysical Bulletin 2 (30). https://periodicals.karazin.ua/biophysvisnyk/article/view/2320.