RT Journal Article SR Electronic T1 Homeopathy or regular medicine? Cook County Hospital, Chicago, Illinois, 1882–1887: evidence, politics, customer choice and provider perceptions at work JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 76 OP 78 DO 10.1136/qshc.2007.023705 VO 17 IS 1 A1 D Neuhauser A1 M Diaz YR 2008 UL http://qualitysafety.bmj.com/content/17/1/76.abstract AB