1 . Methods: Tooth root Injected solidified calcium phosphate cataplasm tube, then pressed with gutta peneha points.

方法自固化磷酸钙充填糊剂根管内注入后加牙胶尖挤压.

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2 . Conclusions Concentrated cod - liver oil gutta and erythromycin can promote the ulcer to heal.

结论浓缩鱼肝油滴剂加红霉素可促进溃疡愈合.

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3 . The results showed aspergillus niger BN fungus, and the productive rate of gutta - perch increased 13.3 %.

结果表明,黑曲霉BN易于分解杜仲叶, 且经其发酵处理后胶得率可提高13.3%.

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