1. NIH. Osteoporosis and Fractures in Men. NIH Guide Vol 25 No 39. PA-97-009. Bethesda MD:National Institutes of Health 1996.
2. Optimal Calcium Intake
3. Standing Committee on the Scientific Evaluation of Dietary Reference Intakes. Food and Nutrition Board Institute of Medicine. Dietary Reference Intakes for Calcium Phosphorus Magnesium Vitamin D and Fluoride. Washington DC:National Academic Press 1997.
4. Effect of Calcium Supplementation on Pregnancy-Induced Hypertension and Preeclampsia
5. Maternal calcium supplementation and fetal bone mineralization;Koo WW;Obstet Gynecol,1999