An unwieldy hybrid.  [electronic resource] 

 -  Nature  May 2007 
 - 353-4 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>1476-4687 
<br/><br/><label>Standard No.: </label>10.1038/447353b  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Chimera<br/>Embryo Research--ethics<br/>Genetic Engineering--ethics<br/>Humans<br/>Hybrid Cells<br/>United Kingdom