RT Journal Article SR Electronic T1 Microbial keratitis and the selection of topical antimicrobials JF BMJ Open Ophthalmology FD BMJ Publishing Group Ltd SP e000086 DO 10.1136/bmjophth-2017-000086 VO 1 IS 1 A1 Stephen Kaye YR 2017 UL http://bmjophth.bmj.com/content/1/1/e000086.abstract AB