PT - JOURNAL ARTICLE AU - John Marshall AU - H. E. Seiler TI - A Statistical Analysis of 3,219 Persons AID - 10.1136/bjo.26.8.337 DP - 1942 Aug 01 TA - British Journal of Ophthalmology PG - 337--379 VI - 26 IP - 8 4099 - http://bjo.bmj.com/content/26/8/337.short 4100 - http://bjo.bmj.com/content/26/8/337.full SO - Br J Ophthalmol1942 Aug 01; 26