Social factors and hospitallization.
Anthonisen
Nick R
NR
D001955:British Columbia / Q000453:epidemiology; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D015994:Incidence; D008350:Manitoba / Q000453:epidemiology; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology / Q000628:therapy*; D012931:Social Environment; D012959:Socioeconomic Factors