title: Assessing the quality of randomization and allocation concealment.
authors.forename: V W
authors.initials: VW
authors.lastname: Berger
mesh_terms: D019902:Chondrocytes / Q000637:transplantation*; D006801:Humans; D007718:Knee Injuries / Q000628:therapy*; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D012107:Research Design