Bibliografia

Wikipedia.

http://www.nlm.nih.gov/medlineplus/spanish/ency/esp_imagepages/17194.htm

http://www.escuelapedia.com/glandulas-paratiroides/

http://www.ecured.cu/index.php/Sistema_endocrino

http://www.trinityatierra.com/2012/09/05/podemos-regenerar-nuestra-danada-glandula-pineal/

http://4toecologicodanielalell.blogspot.com.es/2011_06_01_archive.html

http://www.dicyt.com/noticias/una-investigacion-abordara-un-tipo-de-cancer-de-tiroides-que-no-dispone-de-terapia-efectiva