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2. Becker, G. (2000). The elusive embryo. How women and men approach new reproductive technologies. Berkeley: University of California Press.
3. Borry, P., Schotsmans, P., & Dierickx, K. (2004). What is the role of empirical research in bioethical reflection and decision-making? Medicine Healthcare and Philosophy, 7, 41–53.
4. Botschaft des Bundesrates zum Bundesgesetz über die Forschung an überzähligen Embryonen und embryonalen Stammzellen (Explanatory report by the Federal Council on the Federal law on research using spare embryos and embryonic stem cells), section 1.4.3.1.2. Bundesblatt 2003 1163. Available from http://www.admin.ch/ch/d/sr/c810_31.html (accessed 8.5.2005).
5. Botschaft des Bundesrates zum Bundesgesetz über die Forschung an überzähligen Embryonen und embryonalen Stammzellen (Explanatory report by the Federal Council on the Federal law on research using spare embryos and embryonic stem cells), section 1.2.3.2.2. Bundesblatt 2003 1163. Available from http://www.admin.ch/ch/d/sr/c810_31.html (accessed 8.5.2005).