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British Columbia
Ontario
Canada
Alberta
Cross-Sectional Studies
Space-Time Clustering
Health Surveys
Water Supply
Interviews as Topic
Incidence
Escherichia coli O157
Infants
Disease Outbreaks
Escherichia coli Infections
Gastrointestinal Diseases
Gastroenteritis
Diarrhea
Disease Notification
Population Surveillance
Questionnaires
Co-Publications
15
14
10
9
7
6
5
4
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