RT Journal Article SR Electronic T1 Risk stratification: an important tool in the special review of research using oocytes and embryos JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 599 OP 600 DO 10.1136/jme-2022-108527 VO 48 IS 9 A1 Schaefer, G Owen A1 Voo, Teck Chuan YR 2022 UL http://jme.bmj.com/content/48/9/599.abstract AB