[Surgeons in USA payed to use joint prostheses].
Gjersvik
Petter
P
petter.gjersvik@legeforeningen.no
D016265:Conflict of Interest; D004992:Ethics, Medical; D006622:Hip Prosthesis / Q000191:economics; D006801:Humans; D007720:Knee Prosthesis / Q000191:economics; D014481:United States