Utilization due to chronic obstructive pulmonary disease and its predictors: a study using the U.S. National Emergency Department Sample (NEDS)
Crossref DOI link: https://doi.org/10.1186/s12931-015-0319-y
Published Online: 2016-01-06
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Singh, Jasvinder A.
Yu, Shaohua
Funding for this research was provided by:
research funds from UAB Division of Rheumatology and the resources and use of facilities at the Birmingham VA Medical Center