1. A twoyear trial of intraocular lenses at the Wilmer Institute;Stark;Am J Ophthalmol,1977
2. Food and Drug Administration. Federal Register: Intraocular lenses; investigational decree, exemption requirements. Nov 11, 1977; 42: no. 218.
3. FDA Bulletin May–July,1977
4. Center for Disease Control. Endophthalmitis associated with implantation of intraocular lens prosthesis-United States. Morbidity Mortality Weekly Rep 1976; 25: no. 46.
5. Ethylene oxide toxicity: a study of tissue reactions to retained ethylene oxide;Andersen;J Lab Clin Med,1971