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Pietta, P. G.; Simonetti, P.; Gardana, C.; Brusamolino, A.; Morazzoni, P.; Bombardelli, E. (1998). "Catechin metabolites after intake of green tea infusions". BioFactors. 8 (1–2): 111–8. doi:10.1002/biof.5520080119. PMID9699018. S2CID37684286.
Del Rio, Daniele; Stewart, Amanda J.; Mullen, William; Burns, Jennifer; Lean, Michael E. J.; Brighenti, Furio; Crozier, Alan (2004). "HPLC-MSnAnalysis of Phenolic Compounds and Purine Alkaloids in Green and Black Tea". Journal of Agricultural and Food Chemistry. 52 (10): 2807–15. doi:10.1021/jf0354848. PMID15137818.
Crozier, Alan; Jaganath, Indu B.; Clifford, Michael N. (2009). "Dietary phenolics: Chemistry, bioavailability and effects on health". Natural Product Reports. 26 (8): 1001–43. CiteSeerX10.1.1.608.4407. doi:10.1039/b802662a. PMID19636448.