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Figure 3. Antiestrogenic activity of Pueraria mirifica plant extracts determined by YES systems. NR = Nakorn Ratchasima; PK = Prachuap Kiri Khan; S = Saraburi; U = Uttraradith; E2 = 17β-estradiol. Each column is the mean ± SEM of three independent experiments. *P < 0.05 significantly different from 17β-estradiol (Student t-test).