"What is it like night walking in China's Guangzhou, one of the most populated cities in the world? It's extremely safe. I'm ...
自1911年劳斯发现病毒致癌和1915年山极用煤焦油诱导兔肿瘤以来，动物模型使癌症成为可实验研究的疾病；此后裸鼠、基因工程小鼠模型的演进以及伴侣动物自发性肿瘤的比较肿瘤学应用，进一步推动了癌症机制与疗法开发；当前类器官、器官芯片和AI等新技术正挑战动物模型的地位。
HEFEI, July 3 (Xinhua) -- Aircraft are taking off again from the site of an abandoned airport in Hefei, east China's Anhui Province, but this time there are no departure gates or boarding calls. The o ...
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