DHHS halts quality improvement study: policy may hamper tests of methods to improve care.
Kuehn
Bridget M
BM
D002985:Clinical Protocols; D003428:Cross Infection / Q000517:prevention & control*; D028744:Ethics Committees, Research; D006761:Hospitals / Q000592:standards*; D006801:Humans; D011787:Quality of Health Care; D012106:Research; D014481:United States; D014483:United States Dept. of Health and Human Services