Nonetheless, they recommended that doctors be required to give permission to switch their patients' prescriptions to generic drugs. Gary Buehler, at the time the director of the FDA's office of generic drugs, said, "The only way you can somehow pin this down is to do a good study."
Nonetheless, they suggested that doctors must obtain permission before changing their patients' prescriptions to generics. Gary Buehler, then head of the FDA's generic drug division, emphasized, "The only method to ensure this is by conducting an extensive study."