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Main information of four core herbs identified through this review.
| Four Core Herbs | Interquartile Range of Dosage (g/Day) | Interquartile Range of Treatment Duration (Week) |
|---|---|---|
| Rehmannia glutinosa (Gaertn.) DC. | 15–20 g | 4–12 w |
| Isatis tinctoria subsp. athoa (Boiss.) Papan. | 10–30 g | 8–12 w |
| Paeonia × suffruticosa Andrews | 10–15 g | 8–12 w |
| Scrophularia ningpoensis Hemsl. | 10–15 g | 7–12 w |
g: gram; w: weeks.
