CONCLUSION: the cytotoxic effect of 4 kinds of dental restorative materials on pulp cell was relatively low in vitro, which indicated that all the materials has good biocompatibility.
结论：4种牙体修复材料均对牙髓细胞的生长无不良影响，具有良好的生物相容性。
Objective: to study the cytotoxic effect of ligustrazine liposomes on tumor cell in vitro and the reversing effect on the MDR, and explore the influence of dosage form on the above effects.
目的研究川芎嗪脂质体在体外对肿瘤细胞的细胞毒作用和对多药耐药的逆转作用，并研究脂质体剂型对上述作用的影响。
Objective to study cytotoxic activity of NK-92 cells against human nasopharyngeal carcinoma cells and effect of irradiation on NK-92 cytotoxicity in vitro.
目的研究NK - 92细胞对人鼻咽癌细胞的体外杀伤活性，以及放射线照射后对其杀伤活性的影响。
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