Chizh, Nikolai A. “Cryogenic Equipment in Minimally Invasive Surgery”. Problems of Cryobiology and Cryomedicine 28, no. 3 (September 27, 2018): 200–211. Accessed May 4, 2024. http://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/1440.