PT - JOURNAL ARTICLE AU - Holth, S. TI - THE FIRST RADIUS-FIGURE FOR SUBJECTIVE ASTIGMOMETRY AID - 10.1136/bjo.20.7.415 DP - 1936 Jul 01 TA - British Journal of Ophthalmology PG - 415--415 VI - 20 IP - 7 4099 - http://bjo.bmj.com/content/20/7/415.short 4100 - http://bjo.bmj.com/content/20/7/415.full SO - Br J Ophthalmol1936 Jul 01; 20