PT - JOURNAL ARTICLE ED - , TI - X-Ray and Radium Phosphenes AID - 10.1136/bjo.39.11.704-a DP - 1955 Nov 01 TA - British Journal of Ophthalmology PG - 704--704 VI - 39 IP - 11 4099 - http://bjo.bmj.com/content/39/11/704.2.short 4100 - http://bjo.bmj.com/content/39/11/704.2.full SO - Br J Ophthalmol1955 Nov 01; 39