目的：探讨自血光动力学疗法对动物移植瘤生长的影响及机制。
AIM: to study the effect of photodynamic therapy on the growth of tumor in rats.
从鞭笞和刀剑溅起的血光中，我们领悟到，基于自由与平等原则所成立的联邦，不可能在半自由半奴役的状态下存活。
Through blood drawn by lash and blood drawn by sword, we learned that no union founded on the principles of liberty and equality could survive half-slave and half-free.
在患有风湿性关节炎的人群中，研究人员也运用问卷调查、血检和X光检查来评估他们患病的严重程度。
Among those with ra, the researchers also used questionnaires, blood tests, and x-rays to assess the severity of their disease.
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