https://www.selleckchem.com/pr....oducts/pd-1-pd-l1-in
The male-to-female ratio was markedly higher in ever-smokers (29.41) than in never-smokers (1.71). Most of the clinical features did not differ significantly between patients with a smoking history and never-smokers. However, the age at CH onset, sex ratio, and seasonal rhythmicity were significantly associated with smoking history. Most of the clinical features did not differ significantly between patients with a smoking history and never-smokers. However, the age at CH onset, sex ratio, and seasonal rhythmicity were sig
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