PT - JOURNAL ARTICLE AU - Smith, Kenneth R. TI - CONCOMITANT STRABISMUS AND HETEROPHORIA AID - 10.1136/bjo.12.11.581 DP - 1928 Nov 01 TA - British Journal of Ophthalmology PG - 581--588 VI - 12 IP - 11 4099 - http://bjo.bmj.com/content/12/11/581.short 4100 - http://bjo.bmj.com/content/12/11/581.full SO - Br J Ophthalmol1928 Nov 01; 12