Re: "Bias in clinical intervention research" : [Letter]

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dc.contributor.author Hemilä, Harri
dc.date.accessioned 2018-09-04T09:36:01Z
dc.date.available 2018-09-04T09:36:01Z
dc.date.issued 2007
dc.identifier.citation Hemilä , H 2007 , ' Re: "Bias in clinical intervention research" : [Letter] ' , American Journal of Epidemiology , vol. 165 , no. 10 , pp. 1219-1219 . https://doi.org/10.1093/aje/kwm081
dc.identifier.other PURE: 767254
dc.identifier.other PURE UUID: 941eebda-84cd-4d71-94dd-0efdf7d70afe
dc.identifier.other dawa_publication: 166288
dc.identifier.other WOS: 000246120000016
dc.identifier.other Scopus: 34447118215
dc.identifier.other ORCID: /0000-0002-4710-307X/work/47995371
dc.identifier.uri http://hdl.handle.net/10138/240921
dc.description.abstract In her Journal review discussing the potential biases of controlled trials, Gluud stated that “[t]he purpose of blinding is to prevent bias associated with patients' and investigators' expectations. If interventions are compared with no intervention, an identical placebo may be used. The compared interventions must be identical in taste, smell, appearance, and mode of administration. Any difference may destroy the blinding”. The last sentence of this quotation was based on three references, two of them focusing on vitamin C and common cold trials. However, the Karlowski et al. trial and the Chalmers review were both shown to be erroneous a decade ago. en
dc.format.extent 1
dc.language.iso eng
dc.relation.ispartof American Journal of Epidemiology
dc.rights.uri info:eu-repo/semantics/openAccess
dc.subject 314 Health sciences
dc.subject 3142 Public health care science, environmental and occupational health
dc.title Re: "Bias in clinical intervention research" : [Letter] en
dc.type Letter
dc.contributor.organization Department of Public Health
dc.contributor.organization Clinicum
dc.description.reviewstatus Non peer reviewed
dc.relation.doi https://doi.org/10.1093/aje/kwm081
dc.relation.issn 0002-9262
dc.rights.accesslevel openAccess
dc.type.version publishedVersion

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