Author:
Berens Conrad,Carter George Z.,Breakey Arnold S.
Reference3 articles.
1. Pocket flashlight for physicians with focal illuminator and transilluminator;Berens;J.A.M.A.,1954
2. A modified 3-character test for binocular vision;Berens;Arch. Ophth.,1949
3. Berens, C.: Transilluminators and illuminated retractors for retinal detachment, muscle and tumor surgery. J.A.M.A. In press.