RT Journal Article SR Electronic T1 Zero COVID and health inequities: lessons from Singapore JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 174 OP 174 DO 10.1136/medethics-2022-108205 VO 48 IS 3 A1 G Owen Schaefer YR 2022 UL http://jme.bmj.com/content/48/3/174.abstract AB