1. Link, D. M.: “Dear Doctor letter” from Bureau of Medical Devices, Food and Drug Administration, Jan. 5, 1978.
2. Federal Register. Intraocular lenses. Investigational device exemption requirements. 42:58874, 1977.
3. Ophthalmology. The Art, The Law, and a Bit of Science;Bettman,1977
4. Results of 100 implants over two years;Gentry;Am. IOL Implant Soc. J.,1977