Antiasthmatic effects of Galphimia glauca, gallic acid and related compounds prevent allergen and platelet-activating factor-induced bronchial obstruction as well as bronchial hyperreactivity in guinea pigs - Dorsch,W.; Bittinger,M.; Kaas,A.; Müller,A.; Kreher,B.; Wagner,H. (Int Arch Allergy Immunol, 1992)