Response: Efficacy of ultraviolet sterilization of liquid nitrogen.
University of Cologne, Department of Obstetrics and Gynecology, Kerpener Str 34, 50931 Cologne, Germany. Electronic address: v.isachenko@yahoo.com.
Vladimir
V
Isachenko
D015925:Cryopreservation / Q000379:methods*; D005260:Female; D006801:Humans; D006080:Ovarian Follicle