National Osteoporosis Foundation's position statement on peak bone mass development and lifestyle factors: a systematic review and implementation recommendations (PDF)
Frequently Asked Questions About Calcium
Frequently Asked Questions About Vitamin D
National Osteoporosis Foundation
American Society for Bone and Mineral Research
The Endocrine Society
International Osteoporosis Foundation
North American Menopause Society
National Bone Health Alliance
Dr. Robert P. Heaney's Blog
