Qibai Pingfei Capsule ameliorates NK‑cell dysfunction in COPD: Insights from single‑cell sequencing in a randomized multicenter double‑blinded placebo‑controlle

Chronic inflammation in chronic obstructive pulmonary disease (COPD) arises from prolonged interactions among immune cells, functional cells, and inflammatory cytokines. The Qibai Pingfei Capsule (QBPF), a traditional Chinese medicine (TCM), has been utilized clinically for over

Medical Literature · Updated 2026-08-07

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