1. Effect-enhancing and toxicity-reducing activity of usnic acid in ascitic tumor-bearing mice treated with bleomycin
   Zu-Qing Su et al, 2017, International Immunopharmacology CrossRef
2. Anti-cancer Potential of Hypericum spp. with Focus on Hypericum Perforatum: A Review of the Literature
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3. Antitumor effects of baicalin on ovarian cancer cells through induction of cell apoptosis and inhibition of cell migration in vitro
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4. Hypericum japonicum Thunb. ex Murray: Phytochemistry, Pharmacology, Quality Control and Pharmacokinetics of an Important Herbal Medicine
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5. Enhanced anti-tumor activity and reduced toxicity by combination andrographolide and bleomycin in ascitic tumor-bearing mice
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6. Plants with Anticancer Potential
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