现代疫苗的开发生产，已经基本上摆脱了传统方式。最耗时的是安全性和有效性评估

来源: fuz 于 2020-04-06 06:01:41 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.