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Inhibition of Sthyl Autate extract of oenanthe javanica on secreti of HBsAg and HBeAg in cultured cell line 2215(Hep G 2) 水芹乙酸乙酯提取物在2215細(xì)胞培養(yǎng)內(nèi)對(duì)乙型肝炎病毒表面抗原和E抗原的抑制作用