COPD 2023 GOLD Report related: COPD chronic obstructive pulmonary disease tags: #literature source: COPD GOLD pocket guide Diagnostic criteria diagnosis of COPD must have airflow obstruction Links to this note COPD chronic obstructive pulmonary disease COPD 2023 GOLD Report COPD overview treatment flowchart source: COPD 2023 GOLD Report COPD patients should get pneumonia vaccine source: COPD 2023 GOLD Report acceptability, usability, repeatability of spirometry qualities source: COPD 2023 GOLD Report