HPLC-MS Analysis and Anti-Oedematogenic Activity of Hypericum grandifolium Choisy (Hypericaceae) - Bonkanka, Celia X; Smelcerovic, Andrija; Zuehlke, Sebastian; Rabanal, Rosa María; Spiteller, Michael; Sánchez-Mateo, Candelaria del Carmen (Planta Medica, 2008)