4R principles

1.
Jimin Liu, Xiang Zai, Xiaqing Tian, Jiaxuan Li, Shipeng Yan, Taiyi Wang. Practical implementation and impact of the 4R principles in ethnopharmacology: Pursuing a more humane approach to research. Frontiers in Pharmacology. 2025;16. doi:10.3389/fphar.2025.1543316
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