All of the following are likely to happen in the marketing of drugs, EXCEPT:
a) A drug is approved to treat high blood pressure, but a doctor prescribes it to treat headaches.
b) A doctor turns to the Physicians' Desk Reference, a manual written by drug manufacturers, to decide which drug to prescribe a patient with nausea.
c) A doctor refuses to prescribe a drug to address baldness because baldness is a normal human condition and not a disease.
d) A pharmaceutical company sends salespeople to a doctor's office about four times each month.
e) A doctor prescribes a drug that a salesperson promoted to them, even though there is another drug for the same condition that is less costly and more effective.