Effects of Kefir Fermentation on Antioxidation Activities (in vitro) and Antioxidative Stress (in vivo) of Three Thai Rice Milk Varieties Prepared by Ultrasonication Technique, Deeseenthum, Sirirat, Luang-In Vijitra, John Stephen Moses, Chottanom Pheeraya, and Chunchom Supaporn , Pharmacognosy Journal, August 2018, Volume 10, Issue 5, p.1061-1066, (2018)