Pharmacologic Management of Chronic Obstructive Pulmonary Disease. An Official American Thoracic Society Clinical Practice Guideline | American Journal of Respiratory and Critical Care Medicine

https://www.atsjournals.org/doi/full/10.1164/rccm.202003-0625ST?url_ver=Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org&rfr_dat=cr_pub++0pubmed#_i10


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