The folk remedies that Project 523 collected around the 1970s also registered these usages.
“五二三项目”组70年代收集的民间验方也列有这些用法。
It was only after secrecy rules were lifted in 1977 that research papers from Project 523 began to come out.
直到1977年523项目不再保密之后，研究人员才开始发表文章。
In the early 1970s, a Project 523 team first isolated artemisinin from the plant. Clinical trials confirmed its antimalarial effects.
临床试验证实了青蒿素的抗疟效果。
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