Anti-Inflammatory Activities of Hypocretenolides from Leontodon hispidus - Zidorn, Christian; Dirsch, Verena M; Rüngeler, Peter; Sosa, Silvio; Della Loggia, Roberto; Merfort, Irmgard; Pahl, Heike L; Vollmar, Angelika M; Stuppner, Hermann (Planta Medica, 1999)