How a stem-cell biologist approaches his work with animals. Forced to weigh his personal concerns against the requirements of his research programme, a vegetarian scientist aims for the middle ground.

中文翻译：

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实验室平衡法

干细胞生物学家如何处理他的动物研究。一位素食科学家被迫权衡他的个人担忧与他的研究计划的要求，他寻求中间立场。