RT Journal Article SR Electronic T1 Digital twins running amok? Open questions for the ethics of an emerging medical technology JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 407 OP 408 DO 10.1136/medethics-2021-107526 VO 47 IS 6 A1 Daniel W Tigard YR 2021 UL http://jme.bmj.com/content/47/6/407.abstract AB