Relationship between asthma prevalence and income among Canadians.
Chen
Y
Y
Tang
M
M
Krewski
D
D
Dales
R
R
D001249:Asthma / Q000453:epidemiology*; D002170:Canada / Q000453:epidemiology; D005260:Female; D006801:Humans; D007182:Income / Q000706:statistics & numerical data*; D008297:Male; D015995:Prevalence