[Redaktim i kontrolluar][Redaktim i kontrolluar]
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==References==
{{Reflist}}
 
 
==Linqe të jashtme==
* [http://www.nature.com/nrm/journal/v7/n4/box/nrm1855_BX1.html Explanation of the Spemann-Mangold experiment] from a [[Nature (journal)|Nature]] Reviews article