Phosphate

• Hyperphosphatemia
• Hypophosphatemia

• Science: Chemistry: Elements: Phosphorus 
• Health: Nutrition: Nutrients: Vitamins and Minerals: Phosphorus 

• ChemoCare.com: Hyperphosphatemia and Hypophosphatemia  - Describes these two conditions, causes, symptoms, self-care, medicationa, and getting medical help.
• Health A to Z: Phosphorus Imbalance  - Offers definition, description, diagnosis, symptoms, and treatment of hypophosphatemia and hyperphosphatemia.
• Merck Manual: Phosphate  - Explains the location of this mineral in the body, its importance, as well as definition, symptoms, and risk factors of high and low levels.