PT - JOURNAL ARTICLE AU - Calum MacKellar TI - Differentiating between human and non-human interspecies embryos AID - 10.1136/medethics-2013-101363 DP - 2014 Apr 01 TA - Journal of Medical Ethics PG - 284--285 VI - 40 IP - 4 4099 - http://jme.bmj.com/content/40/4/284.short 4100 - http://jme.bmj.com/content/40/4/284.full SO - J Med Ethics2014 Apr 01; 40 AB - Following the debate in the UK House of Lords, in December 2012, uncertainty remains as to the manner in which human and non-human interspecies embryos are differentiated in law.