title: Potential bias in "controls" used in a heart failure disease-management program.
authors.forename: Thomas
authors.initials: T
authors.lastname: Wilson
authors.forename: Ariel
authors.initials: A
authors.lastname: Linden
mesh_terms: D015982:Bias; D018849:Controlled Clinical Trials as Topic; D006333:Heart Failure / Q000628:therapy*; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012107:Research Design