http://www.isrrt.org/isrrt/Education_Standards.asp?SnID=122521890

http://www.computechpro.net/clients/alatra/spanish/afiliese.asp

http://www.alatrapanama2012.com/    Pagina Oficial congreso Panama /Alatra

https://www.facebook.com/groups/367411886639941/  grupo de proteccion Radiologica

http://proteccion-radiologica.blogspot.com/   proteccion Radiologica

http://www.visionmedicavirtual.com/   anatomia medica virtual