方法：采用细胞培养技术和组织工程学方法。
METHODS: Cell culture technique and tissue engineering method were used.
方法6个喉癌细胞系和4例喉癌旁正常组织上皮细胞培养。
METHODS Epithelial cell culture from 6 laryngeal carcinomas and 4 normal laryngeal tissues were conducted.
此外，讨论了用组织培养方法生产左旋多巴的可能性和固定化细胞培养等问题。
The possibility of the production of L-dopa by tissue culture of Mucuna and the problems in immobilized cell culture were discussed.
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