1. New York, cradle of cryosurgery;Torre;New York J Med,1967
2. Cryotherapy for cancer of the lip and oral cavity;Gage;Cancer,1965
3. Three years experience with cryosurgery in head and neck tumors;Miller;Ann Otol,1969
4. Office cryotherapy for oral leukoplakia;Goode;Trans Amer Acad Ophthal Otolaryng,1971
5. Evaluation of cryosurgery in the treatment of intraoral leukoplakia;Sako;J Cryosurg,1969