1. Brodie MJ, Feely J. Practical clinical pharmacology: therapeutic drug monitoring and clinical trials. British Medical Journal 296: 1110–1114, 1988
2. Classen HG, Fischer G, Moeschlin M, Tilch C. Cubic function between increasing dietary magnesium levels and the magnesium concentration of serum and bone in young rats. Magnesium Bulletin 2: 267–278, 1983
3. Classen HG, Marquart P, Spath M, Schumacher KA, Grabling B. Experimental studies on the intestinal uptake of organic and inorganic magnesium and potassium compounds given alone or simultaneously. Arzneimittel-Forschung 28: 802–811, 1978
4. Cook DA. Availability of magnesium balance studies in rats with various inorganic salts. Journal of Nutrition 103: 1365–1370, 1973
5. Durlach J. Magnesium in clinical practice. John Libbey, London, 1988