By the numbers. Top 20 pharmaceutical companies ranked by U.S. sales, October 2006 to September 2007.
D003132:Commerce / Q000706:statistics & numerical data* / Q000639:trends; D004345:Drug Industry / Q000145:classification / Q000191:economics*; D005060:Europe; D019538:Health Care Surveys; D007182:Income / Q000706:statistics & numerical data / Q000639:trends; D014481:United States