Concerns over drugs prompt investigation of FDA review process -- chicagotribune.com

Concerns over drugs prompt investigation of FDA review process -- chicagotribune.com: "The government's watchdog agency is investigating whether the Food and Drug Administration's drug-review process cleared two blockbuster medications without sufficient proof of their safety or effectiveness. Sen. Charles Grassley said Tuesday the Government Accountability Office has agreed to study a much-debated method for approving drugs used to clear GlaxoSmithKline PLC's diabetes pill Avandia and Merck & Co. Inc. and Schering-Plough's cholesterol drug Vytorin."