title: Statistics notes: Concealing treatment allocation in randomised trials.
authors.affiliation: ICRF Medical Statistics Group, Centre for Statistics in Medicine, Institute of Health Sciences, Oxford OX3 7LF.
authors.forename: D G
authors.initials: DG
authors.lastname: Altman
authors.forename: K F
authors.initials: KF
authors.lastname: Schulz
mesh_terms: D015982:Bias; D006801:Humans; D018579:Patient Selection; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic / Q000379:methods*