RT Journal Article SR Electronic T1 Ophthalmological safety of chloroquine. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 101 OP 109 DO 10.1136/bjo.53.2.101 VO 53 IS 2 A1 S P Percival A1 J Behrman YR 1969 UL http://bjo.bmj.com/content/53/2/101.abstract AB