Jaganath, Devan; Miranda, J. Jaime; Gilman, Robert Hugh; Wise, Robert A.; Diette, Gregory B.; Miele, Catherine H.; Bernabé Ortiz, Antonio; Checkley, William
(BioMed Central, 2015)
BACKGROUND: It is unclear how geographic and social diversity affects the prevalence of chronic obstructive pulmonary disease (COPD). We sought to characterize the prevalence of COPD and identify risk factors across four ...