参考文献

Almirall, S.A.; Eastwood, Paul Robert; Gonzalez Rodriguez, Jacob; Bach Taña, Jordi; Pages Santacana, Lluis Miquel; Taltavull Moll, Joan; Caturla Javaloyes, Juan Francisco Patent: EP2338888 A1, 2011 ; Location in patent: Paragraph 0144; 0146 ; EP 2338888 A1