Approval from the Food and Drug Administration is not the only determinant of how doctors prescribe a medicine.

FORBES: Magazine Article

In the most restrictive cases, only certain registered doctors are allowed to prescribe a medicine, or a drug is only distributed by a limited number of pharmacies.

FORBES: What Arena Investors Should Worry About

According to a survey published this fall in NEJM (New England Journal of Medicine), doctors are about half as willing to prescribe a drug described in an industry-funded trial.

FORBES: How Can Big Pharma Restore A Reputation?