1. Substitution of spinal fluid for vitreous;Fritz;Am. J. Ophth.,1947
2. Cutler, N. L.: Thesis on transplantation of the vitreous in rabbits. Columbia University, College of Physicians & Surgeons Library, New York.
3. Transplantation of human vitreous;Cutler;Arch. Ophth.,1946
4. Concerning the replacement of the vitreous humor;Hegner;Ber. d. ophth. Gesellsch.,1929
5. Technique of vitreous replacement;Fritz;Am. J. Ophth.,1947