http://victorjesusespinozadiaz.blogspot.com/2008/02/que-son-las-cosquillas.html
http://www.sabiask.com/images/ciencia/cosquillas.gif
http://mundointeresantedivertidocurioso.blogspot.com/2010/05/porque-sentimos-cosquillas.html
http://us.123rf.com/400wm/400/400/sparkmom/sparkmom0906/sparkmom090600029/5055802-cosquillas-a-su-madre-de-la-ni-a-pies-desnudos-en-su-cama.jpg
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