RT Journal Article SR Electronic T1 The benefit/risk ratio challenge in clinical research, and the case of HIV cure: an introduction JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 65 OP 66 DO 10.1136/medethics-2016-103427 VO 43 IS 2 A1 Nir Eyal YR 2017 UL http://jme.bmj.com/content/43/2/65.abstract AB This piece introduces the JME symposium ‘The benefit/risk ratio challenge in clinical research, and the case of HIV cure.’