Calcium
- Explores where this mineral is stored in the body and how it is metabolized and regulated. Includes causes, symptoms, and treatment for hypercalcemia and hypercalcemia.
- http://www.merck.com/mmhe/sec12/ch155/ch155b.html

Consensus Statement on Optimal Calcium Intake Published in JAMA
- Answers questions about the intake of calcium by age and gender. Includes important cofactors, risks, and research recommendations.
- http://consensus.nih.gov/1994/1994OptimalCalcium097html.htm

Calcium Metabolism
- Merck Manual offers a list of disorders including signs, symptoms, diagnosis, and treatment.
- http://www.merck.com/pubs/mmanual/section2/chapter12/12d.htm

Chapter 11 - Calcium
- Covers populations at risk for deficiency, determinants of calcium balance, ethnic and environmental variations. From the Food and Agriculture Organization of the United Nations.
- http://www.fao.org/DOCREP/004/Y2809E/y2809e0h.htm

Deficiency Diseases and Good Nutrition - Calcium
- Discusses the aspects of low intake, causes of mineral loss, and RDA recommendations.
- http://waltonfeed.com/self/health/vit-min/calcium.html