REFERENCES
- Massing, A. M. and Epstein, W. L.: Natural history of warts. A two-year study. Arch Derm 87: 306–310 (March) 1963.
- Allington, H. V.: Liquid nitrogen in the treatment of skin diseases. Calif Med 72: 153–155, 1950.
- Pillsbury, D. M., Shelley, W. B. and Kligman, A. M.: Dermatology. Philadelphia, W. B. Saunders Company, 1956, pp 689–701.
- Epstein, W. L. and Kligman, A. M.: Treatment of warts with cantharidin. Arch Derm 77: 508–511 (May) 1958.
- Sinclair-Gieben, A. H. and Chalmers, D.: Evaluation of treatment of warts by hypnosis. Lancet 2: 480–482 (October 3) 1959.