title: The problem of nonresponse bias in disease management surveys.
authors.affiliation: Pharmaceutical Outcomes Consultant, West Columbia, South Carolina, USA.
authors.forename: Chris M
authors.initials: CM
authors.lastname: Kozma
mesh_terms: D015982:Bias; D019468:Disease Management; D006305:Health Status Indicators; D006801:Humans; D008329:Managed Care Programs / Q000458:organization & administration* / Q000706:statistics & numerical data; D045808:Refusal to Participate; D018570:Risk Assessment / Q000379:methods*; D011795:Surveys and Questionnaires; D014481:United States