Dii, dio, did 和 dir均可染色活细胞或固定细胞及组织（请您根据您的需求选择相应的探针），dii比dio荧光更亮；did，dir（d12731）波长更长，更适合组织染色； 本文介绍的是事件研究法 (event study) 在 stata 中的实现命令 eventdd，该命令由 damian clarke 和 kathya tapia schythe 在 2020 年共同开发。与以往关于事件研究法的介绍不同，本文将侧.
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