title: Health services research: critical measurement issues.
authors.forename: Shirley
authors.initials: S
authors.lastname: Meehan
mesh_terms: D003625:Data Collection / Q000379:methods*; D006302:Health Services Research / Q000379:methods*; D006801:Humans; D014481:United States; D014493:United States Department of Veterans Affairs; D014728:Veterans