RT Journal Article SR Electronic T1 In vitro fertilisation and moral equivalence. JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 101 OP 101 DO 10.1136/jme.10.2.101 VO 10 IS 2 A1 Singer, P YR 1984 UL http://jme.bmj.com/content/10/2/101.1.abstract AB