Avorn Jerry, Choudhry Niteesh K
Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women's Hospital and Harvard Medical School, 1620 Tremont St, Boston, MA 02120, USA.
Circulation. 2010 May 25;121(20):2228-34. doi: 10.1161/CIRCULATIONAHA.109.869636.