CHIZH, N. A. Endoscopic Cryosurgery. Problems of Cryobiology and Cryomedicine, [S. l.], v. 27, n. 1, p. 3–18, 2017. DOI: 10.15407/cryo27.01.003. Disponível em: https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1274. Acesso em: 28 jan. 2023.