Oligosaccharides from agar inhibit murine intestinal inflammation through the induction of heme oxygenase-1 expression - Higashimura, Y; Naito, Y; Takagi, T; Mizushima, K; Hirai, Y; Harusato, A; Ohnogi, H; Yamaji, R; Inui, H; Nakano, Y; Yoshikawa, T (J Gastroenterol, 2013)