Stauder, M.; Papetti, A.; Daglia, M. et al. (2010). “Inhibitory Activity by Barley Coffee Components Towards Streptococcus Mutans Biofilm”. Current Microbiology (Springer) 61: 417–421. doi:10.1007/s00284-010-9630-5.
Hiroyuki SUGANUMA; Takahiro INAKUMA; Yuji KIKUCHI (2002). “Amelioratory Effect of Barley Tea Drinking on Blood Fluidity”. Journal of Nutritional Science and Vitaminology (Center for Academic Publications Japan) 48 (2): 165-168. doi:10.3177/jnsv.48.165.