Answers are grounded in this paper and cite their sources.
In this Journal, Lindberg et al. describe the prevalence of comorbidities (non-pulmonary chronic illnesses and conditions) in a well-characterized cohort of 993 COPD cases and 993 age- and gender-m...
No takes yet. Share an insight, caveat, or question.
Douglas W. Mapel (2011) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: