1. Cheng, S. F., and R. J. Veenema: Topical application of thio-TEPA to penile and urethral tumors. J. Urol.94: 259, 1965.
2. Culp, O. S., and I. W. Kaplan: Condylomata acuminata: Two hundred cases treated with podophyllin. Ann. Surg.120: 251, 1944.
3. Gold, J. D.: Liquid air and carbonic acid snow: Therapeutic results obstained by the dermatologist. New York J. Med.92: 1276, 1910.
4. Graber, E. A., H. R. K. Barber, and J. J. O'Rourke: Simple surgical treatment for condyloma acuminatum of the vulva. Obstet. Gynec.29: 247, 1967.
5. Grace, D. A., J. A. Ochsner, C. R. McLain, and J. P. Smith: Vulvar condyloma acuminata in prepubertal females. J.A.M.A.201: 151, 1967.