- www.nof.org -- National Osteoporosis Foundation
- www.niams.nih.gov/Health_Info/Bone -- National Institute of Arthritis and Musculoskeletal and Skin Diseases
- www.iofbonehealth.org -- International Osteoporosis Foundation
- www.menopause.org -- North American Menopause Society
Review Date: 10/21/2010
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.