International Society for Clinical Densitometry (ISCD) >> http://www.iscd.org National Osteoporosis Foundation (NOF) >> http://www.nof.org American Society for Bone and Mineral Research (ASBMR) >> http://www.asbmr.org/ Paget Foundation for Paget's Disease of Bone and Related Disordes (PDF) >> http://www.paget.org/ Centro de Información de la Osteoporosis >> http://www.osteoporosis.directoriovirtual.net Revista Española de Enfermedades Metabólicas Oseas (REEMO) >>Pulse aquí para ir a REEMO Endocrine Society >>http://www.endo-society.org/ Federation of American Societies for Experimental Biology >>http://www.fased.org/