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Etymology of "clone". Online etymology dictionary. [2008-06-26]. (原始内容存档于2017-02-15) (英语).
Bansal, R.K. Reproductive Cloning-An Act Of Human Rights Violation(PDF). Journal of Indian Association of Forensic Medicine (Indian Association of Forensic Medicine). 2005, 27 (3): 971–973 [2008-06-23]. (原始内容(PDF)存档于2019-12-16) (英语).