RT Journal Article SR Electronic T1 Trachoma JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 1232 OP 1233 DO 10.1136/bjo.2005.067322 VO 89 IS 10 A1 J D Chidambaram A1 T M Lietman YR 2005 UL http://bjo.bmj.com/content/89/10/1232.abstract AB