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Research Progress of N- methyltransferases Involved in Caffeine Biosynthesis
YAN Changyu, REN Qiujing, CHEN Xiaofang, LI Bin, CHEN Zhongzheng
Journal of Tea Science . 2014, (6): 531 -540 .  DOI: 10.13305/j.cnki.jts.2014.06.013