RT Journal Article SR Electronic T1 Should practice and policy be revised to allow for risk-proportional payment to human challenge study participants? JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 835 OP 836 DO 10.1136/medethics-2020-106900 VO 46 IS 12 A1 Euzebiusz Jamrozik A1 Michael J Selgelid YR 2020 UL http://jme.bmj.com/content/46/12/835.abstract AB