1. Aggett PJ, Crofton RW, Khin C, Gvozdanovic S & Gvozdanovic D (1983): The mutual inhibitory effects on their bioavailability of inorganic zinc and iron. In Zinc Deficiency in Human Subjects, eds AS Prasad, A Cadvar, GJ Brewer & PJ Aggett, pp 117–124. New York: Alan R, Liss.
2. Analytical Methods Committee (1990): Methods of destruction of organic matter. Analyst 85, 642–656.
3. Bauer DC (2001): Biochemical markers of bone turnover: the study of osteoporotic fracture. In Bone Markers: Biochemical and Clinical Perspectives (Proc Meeting 2000), ed. R Eastell, pp 219–223. London: Martin Dunitz.
4. Brewer GJ (2000): Raulin Award Lecture: Wilson's disease therapy with zinc and tetrathiomolybdate. J. Trace Elem. Exp. Med. 13, 51–61.
5. Christenson RH (1997): Biochemical markers of bone metabolism: an overview. Clin. Biochem. 30, 573–593.