473
Chapman, S. and others, 1992. Changes in adult cigarette consumption per head in 128 countries, 1986–1990. Tobacco Control, 1, 281–284.
474
http://www.who.int
475
Chapman, S. and others, 1992. Changes in adult cigarette consumption per head in 128 countries, 1986–1990. Tobacco Control, 1. 281–284.
476
http://www.who.int
477
http://www.13.waisays.com/cancer2.htm
478
Underwood, L.E., D'Ercole, J.A. and Van Wyk, J.J., 1980. Somatomedin-C and the assessment of growth. Ped. Clin. N Amer, 27, 4, 771–782, and Perdue, J.F. 1984. Chemistry, structure and function of insulin-like growth factors and their receptors: a review. Can J. Biochem Cell Bio, 62, 1237–1245.