https://www.selleckchem.com/pr....oducts/fetuin-fetal-
ning. Patients with a history of frequent exacerbations and higher blood eosinophil counts could benefit from continuation of ICS-based therapy. Blood eosinophil is a readily available biomarker to reflect the eosinophilic inflammation in chronic obstructive pulmonary disease (COPD) patients, yet its association with exacerbation is inconclusive. It is uncertain which measurement, eosinophil percentage or absolute eosinophil count, should be used and what is the optimal cutoff for exacerbation prediction. A total of 24