Which of the Following Is NOT an Ethical Concern in the Pharmaceutical

Which of the following is NOT an ethical concern in the pharmaceutical industry?

A) Sales representatives may not provide all the information doctors need before prescribing the drugs.
B) Sales representatives obtain confidential patient information.
C) An important study found doctors frequently visited by representatives tended to focus on drug therapies even when researchers supported nondrug therapies.
D) In an important study,researchers found doctors frequently visited by representatives from pharmaceutical companies were less likely to prescribe generic equivalents.
E) All of these are ethical issues.