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Determination of Theanine in Tea by Paired Ion Chromatography
GONG Yu-shun, HUANG Jian-an, CUI Xiang-xing, LI Qing, LI Yin-hua, CHEN Jin-hua
Journal of Tea Science . 2008, (2): 89 -92 .  DOI: 10.13305/j.cnki.jts.2008.02.004