FIGURE 3.
Commercial grades of Radix Astragali found at a local market in Inner Mongolia: (A) huge (d > 1.5 cm), (B) large (d > 1.2 cm), (C) medium (1.2 cm ≥ d > 0.8 cm), and (D) small (0.8 cm ≥ d ≥ 0.35 cm).
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