Flavonoids and related compounds as anti-allergic substances - Kawai, M; Hirano, T; Higa, S; Arimitsu, J; Maruta, M; Kuwahara, Y; Ohkawara, T; Hagihara, K; Yamadori, T; Shima, Y; Ogata, A; Kawase, I; Tanaka, T (Allergol Int, 2007)