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Calculi -- epidemiology
1
Cholera
2
Cholera -- epidemiology
1
Disease Outbreaks
2
Education, Medical
1
England
2
Hospitals, Psychiatric
1
New York
1
Ohio
1
Schools, Medical
1
United States
1
Urinary Bladder Diseases -- epidemiology
1
Wakefield, Eng. West Riding Pauper Lunatic Asylum.
1