21.  Use of short-acting nifedipine is not illegal because doctors are allowed to prescribe an approved drug for an unapproved use.

22.  Warner-Lambert also hired two marketing firms to write articles about the unapproved uses of Neurontin and find doctors willing to sign their names to them as authors.

23.  Once drugs win FDA approval, doctors are free to prescribe them for other, unapproved uses.