Guidelines for advertising on health web sites: who's guarding the Koop.
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Stanford University School of Medicine, Center for Biomedical Ethics, Palo Alto, CA 94305, USA. micho@leland.stanford.edu
D000329:Advertising; D016265:Conflict of Interest; D030881:Disclosure; D005378:Financial Support; D017408:Guidelines as Topic; D007221:Industry; D020407:Internet; D014481:United States