RT Journal Article SR Electronic T1 EARLY OPHTHALMOLOGISTS IN CALCUTTA JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 638 OP 644 DO 10.1136/bjo.21.12.638 VO 21 IS 12 A1 E. O'G. Kirwan YR 1937 UL http://bjo.bmj.com/content/21/12/638.abstract AB