1. The cryobiological basis for cryosurgery;Farrant;J. Dermatol. Surg. Oncol.,1977
2. Local freezing of the skin by carbon dioxide snow;Brodthagen;Acta Dermatol. Venereol.,1961
3. Cryosurgery of premalignant and malignant skin lesions;Torre;Cutis,1971
4. Cryosurgery of skin cancer: Fundamentals of technique and application;Zacarian;Cutis,1975
5. The measurement of low frequency electrical impedance as a guide to effective cryosurgery.;Pivert;J. Dermatol. Surg. Oncol.,1977