RT Journal Article SR Electronic T1 Frequent attenders to ophthalmic accident and emergency departments JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 496 OP 496 DO 10.1136/jme.2006.019026 VO 33 IS 8 A1 H G Sheth A1 A G Sheth YR 2007 UL http://jme.bmj.com/content/33/8/496.1.abstract AB