1. Baltimore, D. et al (2015) A prudent path forward for genomic engineering and germline gene modification. Science 348 (6230): 36–38.
2. Chen, Z. (1999) Shengwu jishu qiancheng wuliang [The unlimited prospects of biotechnology]. Zhishi jingji [Knowledge Economy] (6): 22–26.
3. Cheng, L. (2006) Ethics: China already has clear stem-cell guidelines. Nature 440 (7087): 992.
4. Committee on Science, Technology, and Law at the National Academies (2015) NAS and NAM initiative on human gene editing. 24 June, http://us4.campaign-archive2.com/?u=5dc4a6f3f17fd11adf3be4912&id=57b9c2a589&e=114977bc32 , accessed 29 June 2015.
5. Economist (2015) To the crack of doom. 2 May, http://www.economist.com/news/science-and-technology/21649607-scientists-china-have-just-crossed-one-biotechnologys-red-lines-crack , accessed 28 June 2015.