1. Jean-François Boivin Hepatology 2000; 31: 756-762 September 13th, 2010

2. 2

3. 3

4. CASES
CONTROLS 4

5. CASES
CONTROLS 5

6. CASES
CONTROLS
ODDS RATIO =
478 x 821
= 6.4
218 x 280
63% x % x
758 = ,039 =
INHALED
YES ON
,039 6

7. 7

8. 8

9. Globe and Mail
10 September 2010 1

10. New England Journal of Medicine 1999; 340: 603-6082

11. 3

12. 4

13. 5

14. 6

15. Archives of General Psychiatry 2010; 67: 889-894

16. 8

17. 11

18. 12

19. 9

20. 10

21. 9

22. Robert H. Friss. Epidemiology for Public Heath Practice (2009); 368-369