Gate Pharmaceuticals, Mylan Pharmaceuticals, and Teva Pharmaceuticals have gained FDA approval for 300 milligram (mg) clopidogrel.

FORBES: FDA Approves Generic Clopidogrels As Plavix Loses Patent Protection

"Ultra low tar" brands claiming to deliver just 0.1 milligram (mg) of nicotine, actually delivered closer to 1 mg.

BBC: Smokers 'puff harder on low tar brands'

Nissen of the Cleveland Clinic, compared the 80-milligram dose of Lipitor to the 40-mg dose of Bristol's Pravachol.

FORBES: Pfizer's Lipitor Stops The Plaque