Blood Clot Warning for Millions of Women. British Journal of Family Medicine. (February 2014). Retrieved from bjfm.co.uk

Bayer 2014 Q1 Report, Explanatory Notes, Legal Risks. (April 28, 2014). Retrieved from stockholders-newsletter-q1-2014.bayer.com

National Center for Health Research (Yaz information)

Wikipedia Info on the active ingredient Drospirenone

Chicago Tribune

Coalition Against BAYER Dangers: Yaz Home Page

CBC/Radio-Canada (23 deaths)

RXList.com (side effects)