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Prevalence of respiratory symptoms in Norway.
https://arctichealth.org/en/permalink/ahliterature68181
Source
J Chronic Dis. 1972 Sep;25(9):519-44
Publication Type
Article
Date
Sep-1972
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Author
W. Haenszel
A. Hougen
Source
J Chronic Dis. 1972 Sep;25(9):519-44
Date
Sep-1972
Language
English
Publication Type
Article
Keywords
Adult
Age Factors
Aged
Bronchitis - epidemiology
Cough - epidemiology
Emigration and Immigration
Female
Humans
Male
Middle Aged
Mucus - secretion
Norway
Occupations
Questionnaires
Respiratory Tract Diseases - epidemiology - mortality
Rural Population
Sampling Studies
Sex Factors
Smoking - complications - epidemiology
Social Class
United States
Urban Population
PubMed ID
4647215
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