Traditional Culture Encyclopedia - Photography and portraiture - Who knows how the research progress of Xi Yongzhi's rheumatoid vaccine is?

Who knows how the research progress of Xi Yongzhi's rheumatoid vaccine is?

Xi Yongzhi's research achievements have been applied for invention patents in the United States, Britain, France, Germany, Japan and China, and have now entered the stage of public evaluation. References:

http://www.hospital307.org/exp.asp? Grade = 75 & page =1