Explanation of the Medicare and Medicaid Antikickback statute and Stark Law and their restrictions on physicians' financial interests in ancillary services.

Legal and ethical questions arise when a physician receives remuneration for prescribing a drug to a patient.

Some early adopters developed model ASPs that have helped set industry standards.

Clinicians using governing authority to make public health policy are ethically obliged to draw upon scientific and clinical information that accords professional standards.