Socioeconomic status and chronic obstructive pulmonary disease.
Prescott
E
E
Institute of Preventive Medicine, Kommunehospitalet, DK-1399 Copenhagen K, Denmark.
Vestbo
J
J
D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000453:epidemiology* / Q000503:physiopathology; D008297:Male; D012959:Socioeconomic Factors; D006113:United Kingdom / Q000453:epidemiology