参考文献:
GLAXO GROUP LIMITED ALDER, Catherine, Mary BALDWIN, Ian, Robert BARTON, Nicholas, Paul CAMPBELL, Amanda, Jennifer CHAMPIGNY, Aurelie, Cecile HARLING, John, David MAXWELL, Aoife, Caitriona SIMPSON, Juliet, Kay SMITH, Ian, Edward, David TAME, Christopher, John WILSON, Caroline WOOLVEN, James, Michael Patent: WO2/66 A, 2 Location in patent: Page/Page column WO 2/66 A