Studies on the Anti-Inflammatory Activity of Phytopharmaceuticals Prepared from Arnica Flowers - Klaas, Christoph A; Wagner, Gerd; Laufer, Stefan; Sosa, Silvio; Loggia, Roberto Della; Bomme, Ulrich; Pahl, Heike L; Merfort, Irmgard (Planta Medica, 2002)