Personalized Medicine Coalition (PMC), The Case For Personalized Medicine, p.2, Nov 2006, available at http://www.personalizedmedicinecoalition.org/communications/TheCaseforPersonalizedMedicine_11_13.pdf (最後瀏覽日期:2009年1月13日)
USPTO Website at Comments regarding Claims Containing Alternative Language http://www.uspto.gov/web/offices/pac/dapp/opla/comments/markush/markush.html