I'll take a stab at that, and maybe Andrew can add something as well.
I would say that the prescribing per se isn't regulated. Overall practice is what would be regulated. Certain types of prescriptions would be more regulated. For example, narcotic prescriptions have a regulation to them. Antibiotics don't have those, generally speaking. I think probably where you're going is that the prescribing of antibiotics generally speaking isn't specifically regulated.