SmithE.L.HillR.L.LehmanI.R.LefkowitzR.J.HanderP.WhiteA. (1983) Principles of Biochemistry7th Edition, McGraw Hill, Singapore, p. 607. ISBN 0-070766571-0.
2.
Ibid, pp. 486–9.
3.
Ibid, pp. 612.
4.
ReillyC. (1996). Selenium in Food and Health, Blackwell Academic and Professional, pp. 141–144.
5.
Smithop cit, p. 559.
6.
ChallacombeD.N.WheelerE.E. (1987). Are changes of mood in children with coeliac disease due to abnormal serotonin metabolism. Nutrition and Health, 5, 145–152.
7.
Smith, op cit, p. 550.
8.
Ibid312 and 344.
9.
10.
11.
LingS.C. (2002). A lecture on coeliac disease given at a one day conference on human nutrition in Glasgow.
12.
HemmingsG. (1990). Causes of Schizophrenia, Nutrition and Health, 7, 11–19.