Clinical Observation of General Anesthesia Combined with Spinal Anesthesia in Elderly Patients with Chronic Obstructive Pulmonary Disease.

Biomed Res Int · 2022 · PMC9420591 · PMID 36046452

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an increasing trendno p-value reported

With the deepening of population aging, the incidence of COPD also shows an increasing trend year by year.

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