Figure 1 — Exploration of the utility of different doses of Qingfei Dayuan granules: a multicenter, randomized, double-blind, placebo-controlled trial

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Research Paper|Volume 16, Issue 5|pp. 4503–4517

Exploration of the utility of different doses of Qingfei Dayuan granules: a multicenter, randomized, double-blind, placebo-controlled trial

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Figure 1.Flow diagram of the study.

Figure 1 — Exploration of the utility of different doses of Qingfei Dayuan granules: a multicenter, randomized, double-blind, placebo-controlled trial | Aging