Cloning: then and now.
Callahan
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Hastings Center, USA.
D026683:Advisory Committees; D000818:Animals; D035843:Biomedical Research; D019976:Cloning, Organism / Q000639:trends*; D004992:Ethics, Medical; D005544:Forecasting; D033161:Government Regulation; D006291:Health Policy / Q000639:trends*; D006801:Humans; D012099:Reproductive Techniques / Q000639:trends; D018570:Risk Assessment