title: Questions raised regarding double blind comparison research.
authors.forename: L A
authors.initials: LA
authors.lastname: Toth
authors.forename: J
authors.initials: J
authors.lastname: Robertson
mesh_terms: D015982:Bias; D002406:Catheterization, Peripheral / Q000451:nursing*; D002408:Catheters, Indwelling; D002648:Child; D006493:Heparin / Q000008:administration & dosage*; D006801:Humans; D012107:Research Design; D012965:Sodium Chloride / Q000008:administration & dosage*
chemical_list: D012965:Sodium Chloride; D006493:Heparin