参考文献

GLAXO GROUP LIMITED; Atkinson, Francis Louis; Barker, Michael David; Douault, Clement; Garton, Neil Stuart; Liddle, John; Patel, Vipulkumar Kantibhai; Preston, Alexander George Steven; Wilson, David Matthew Patent: US2013/40984 A1, 2013 ; Location in patent: Paragraph 0484-0485 ;