Literatur
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1 Rothman K J, Greenland S. Modern epidemiology. 2nd edition. Philadelphia; Lippincott, Williams & Wilkins 1998
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2 Ezzati M, Lopez A, Rodgers A. et al .Comparative quantification of health risks: global and regional burden of disease due to selected major risk factors. Geneva; WHO 2004
Ludwig Kraus
IFT - Institut für Therapieforschung
Parzivalstr. 25
80804 München
Email: Kraus@ift.de