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Is it essential for the combination of GOLD C and D groups in COPD patients: A multicenter retrospective study?

Tao Li1,2,3,4, Ping Zhang1,2,3,4, Qing Song1,2,3,4

  • 1Department of Pulmonary and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.

Medicine
|September 1, 2026
PubMed

Keywords:
COPDGOLDexacerbationmortalitytreatment

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