PT - JOURNAL ARTICLE AU - D. P. Choyce TI - EXTRA-CONJUNCTIVAL ORBITAL IMPLANTS AID - 10.1136/bjo.41.8.508 DP - 1957 Aug 01 TA - British Journal of Ophthalmology PG - 508--509 VI - 41 IP - 8 4099 - http://bjo.bmj.com/content/41/8/508.short 4100 - http://bjo.bmj.com/content/41/8/508.full SO - Br J Ophthalmol1957 Aug 01; 41