RT Journal Article SR Electronic T1 Taking the long view on slippery slope objections JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP medethics-2021-107837 DO 10.1136/medethics-2021-107837 A1 Eric Mathison YR 2021 UL http://jme.bmj.com/content/early/2021/09/10/medethics-2021-107837.abstract AB