Can I add something, just to complete the answer?
I am in favour of establishing a formulary to inform doctors about good prescription practices, as I stated before a parliamentary committee in Quebec that was studying the implementation of Bill 81. However, that must not prevent doctors from prescribing another medication not in the formulary if they consider that a patient must have it. I did not mention it just now but Quebec has just passed a bill that allows tenders for medications.
An administrative stage is doubtless required in order to consider the cost and the value of a medication. However, I am not in favour of reducing doctors' ability to prescribe what they consider the appropriate medication for their patients.