Ethical roles can exist only in an ethical system.
Hitt
D H
DH
Methodist Hospitals of Dallas, TX.
D003363:Cost Control / Q000592:standards; D004992:Ethics, Medical; D005380:Financing, Government / Q000592:standards; D015276:Health Care Rationing / Q000592:standards*; D012017:Referral and Consultation; D014481:United States