例如今年早些时候，美国移植杂志的一篇文章描述了从人类胎儿移植肾脏到老鼠。

Earlier this year, for example, a paper in the American Journal of Transplantation described moving kidneys from human fetuses into rats.

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美国医学杂志的一篇社论表示，由于病人的特殊环境，一部分准则外的移植是可以的，这大约占到6%左右。

An editorial in JAMA says some implants outside the guidelines are OK - maybe around six percent - because of patients' special circumstances.

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