PT - JOURNAL ARTICLE AU - Hitchings, R A AU - Brown, D B AU - Anderton, S A TI - Glaucoma screening by means of an optic disc grid. AID - 10.1136/bjo.67.6.352 DP - 1983 Jun 01 TA - British Journal of Ophthalmology PG - 352--355 VI - 67 IP - 6 4099 - http://bjo.bmj.com/content/67/6/352.short 4100 - http://bjo.bmj.com/content/67/6/352.full SO - Br J Ophthalmol1983 Jun 01; 67