Attributable risk percent

L-Tryptophan and Eosinophilia-Myalgia Syndrome ("EMS")

National epidemic of new syndrome in 1989 quickly traced to a commercial product. Case study addresses surveillance, bias, criteria for causation.

 

Objectives:

Investigation: 
Outbreak
Country: 
United States
Year: 
1990
Author (s): 

Leslie Swygert and Richard Dicker

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Cigarette Smoking and Lung Cancer

Based on the classic studies (both case-control study and cohort study of physician mortality) of Doll and Hill, 1950's; addresses study design, interpretation of measures of association, measures of impact, criteria of causation

Objectives

•    Define case-control and cohort studies and the advantages and disadvantages of each;

•    List some of the biases that might have affected these studies;

Investigation: 
Outbreak
Country: 
United Kingdom
Year: 
1973
Author (s): 

Clark Heath, Godfrey Oakley, David Erickson, and Howard Ory

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