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Websites
- Human Cloning and Other Prohibited Practices Bill, July 2004 www.parliament.gov.sg/publications/0400034.pdf
- Directives for private healthcare institutions providing assisted reproduction services : regulation 4 of the private hospitals and medical clinics regulations (Cap 248, Reg 1), March 2006 www.moh-ela.gov.sg/ela/docroot/html/assisted_reproduction_services_ directives.pdf
- Donation of human eggs For research: a consultation paper by the bioethics Advisory Committee of Singapore, 7 November 2007 www.bioethics-singapore.org/uploadfile/52533%20PMEgg%20Donation%20Consultation%20Paper.pdf
- Code of practice on reproductive technology and embryo research, December 2002. Health, Welfare and Food Bureau, The Government of the Hong Kong Special Administrative Region www.hwfb.gov.hk/download/press_and_publications/otherinfo/021230_h/e_cop_full.pdf
- Sperm, Egg and Embryo Donation (SEED). SEED Report: a report on the Human Fertilisation & Embryology Authority’s review of sperm, egg and embryo donation in the United Kingdom. HFEA, London, UK https://centres.hfea.gov.uk/AboutHFEA/HFEAPolicy/SEEDGuidanceandDirections/SEEDReport05.pdf
- The Big Mac Index www.economist.com/markets/indicators/displaystory.cfm?story_id=8649005
- The National Gamete Donation Trust Website, 2006 www.ngdt.co.uk/