ArticleCureus2025
Serum Tryptophan and Kynurenine/Tryptophan Ratio as Markers of Depressive Symptoms in Chronic Obstructive Pulmonary Disease (COPD).
Anli Liu et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.
1 paper cites it
this papercites it