Inhibition of inducible nitric oxide production and iNOS protein expression in lipopolysaccharide-stimulated rat aorta and Raw 264.7 macrophages by ethanol extract of a Chinese herbal medicine formula (RCM-101) for allergic rhinitis - Lenon, G B; Li, C G; Xue, C C; Thien, F CK; Story, D F (J Ethnopharmacol, 2008)