参考文献

McArthur, Silvia Gatti; Hertel, Cornelia; Nettekoven, Matthias Heinrich; Raab, Susanne; Richter, Hans; Roche, Olivier; Rodriguez-Sarmiento, Rosa Maria; Schuler, Franz Patent: US2006/84679 A1, 2006 ; Location in patent: Page/Page column 12 ; US 20060084679 A1