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Tsai, Nu-Man, Yi-Lin Chen, Chau-Chin Lee, Po-Chen Lin, Yeung-Leung Cheng, Wen-Liang Chang, Shinn-Zong Lin, and Horng-Jyh Harn. The Natural Compound N-butylidenephthalide Derived From Angelica Sinensis Inhibits Malignant Brain Tumor Growth in Vitro and in Vivo3. Blackwell Publishing Ltd, 2006.

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