Growing pains.
D002487:Centers for Disease Control and Prevention, U.S.; D003362:Cost-Benefit Analysis; D003428:Cross Infection / Q000453:epidemiology / Q000517:prevention & control*; D003625:Data Collection; D005069:Evaluation Studies as Topic; D006761:Hospitals; D006801:Humans; D007902:Length of Stay / Q000191:economics; D014481:United States