TY - JOUR T1 - DIrectory of ophthalmologic societies Y1 - 1937/08/01 N1 - 10.1001/archopht.1937.00850080161020 JO - Archives of Ophthalmology SP - 337 EP - 346 VL - 18 IS - 2 N2 - SN - 0093-0326 M3 - doi: 10.1001/archopht.1937.00850080161020 UR - http://dx.doi.org/10.1001/archopht.1937.00850080161020 ER -