1. AstraZeneca Receives Action Letter From FDA for Exanta (ximelagatran) http://www.drugs.com/nda/exanta_041008.html
2. Merck Announces Voluntary Worldwide Withdrawal of VIOXX® http://www.merck.com/newsroom/vioxx/pdf/vioxx_press_release_final.pdf
3. ESAs further restricted, but debate continues;Brower;J Natl Cancer Inst,2008
4. Safe drugs and the cost of good intentions;Eichler;N Engl J Med,2009