1. Sandstead HH. Understanding zinc: Recent observations and interpretations. J Lab Clin Med 1994;124:322-7.
2. Tenaud I, Sainte-Marie I, Jumbou O, et al. In vitro modulation of keratinocyte wound healing integrins by zinc, copper and manganese. Br J Dermatol 1999;140:26-34.
3. Pereira CE, Felcman J. Correlation between five minerals and the healing effect of Brazilian medicinal plants. Biol Trace Elem Res 1998;65:251-9.
4. Carlisle EM. Silicon as an essential trace element in animal nutrition. Ciba Found Symp 1986;121:123-39.
5. Leach RM. Role of manganese in mucopolysaccharide metabolism. Fed Proc 1971;30:991.
6. Carlisle EM. Silicon localization and calcification in developing bone. Fed Proc 1969;28:374.
7. Hott M, de Pollak C, Modrowski D, Marie PJ. Short-term effects of organic silicon on trabecular bone in mature ovariectamized rats. Calcif Tissue Int 1993;53:174-9.
8. Eisinger J, Clairet D. Effects of silicon, fluoride, etidronate and magnesium on bone mineral density: a retrospective study. Magnes Res 1993;6:247-9.