Chemical carcinogenesis is involved in complicated multiple stages of initiation, promotion and progression.
化学致癌过程是涉及启动、促进和进展等多阶段的复杂过程。
Chemical carcinogenesis in culture has proved to be a much more difficult field of investigation than viral carcinogenesis.
在培养内化学致癌已证明是一个比致癌困难得多的研究领域。
METHODS: Initiation and promotion two-stage chemical carcinogenesis method was used to induce cutaneous tumors in the mouse back skin.
方法：采用启动和促进两阶段化学诱癌方法在小鼠背部诱导皮肤肿瘤；
The recent situation for the researches on chemical carcinogens and on the mechanism of chemical carcinogenesis is reviewed in this paper.
本文综述了化学致癌剂及化学致癌机理的近代研究状况。
Conclusion COX-2 overexpression occurred in the early stage of oral carcinogenesis, it could be an important target for the chemical prevention and therapy.
结论COX- 2在口腔癌变过程中是一个早期事件，可能成为化学预防作用的重要靶点。
Conclusion COX-2 overexpression occurred in the early stage of oral carcinogenesis, it could be an important target for the chemical prevention and therapy.
结论COX- 2在口腔癌变过程中是一个早期事件，可能成为化学预防作用的重要靶点。
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