title: Methodologic issues.
authors.affiliation: Department of Statistics, Kansas State University, Manhattan 66502, USA.
authors.forename: G A
authors.initials: GA
authors.lastname: Milliken
mesh_terms: D003625:Data Collection / Q000379:methods; D003627:Data Interpretation, Statistical; D003953:Diagnosis-Related Groups; D004797:Enzyme-Linked Immunosorbent Assay; D004812:Epidemiologic Methods; D015233:Models, Statistical; D015588:Observer Variation