title: Data needs for studies of competition in market areas. Overview of the special supplement issue.
authors.affiliation: National Center for Health Statistics, USA.
authors.forename: A B
authors.initials: AB
authors.lastname: Bernstein
authors.forename: A K
authors.initials: AK
authors.lastname: Gauthier
mesh_terms: D003625:Data Collection; D004465:Economic Competition; D019981:Health Care Sector / Q000458:organization & administration*; D006302:Health Services Research; D018854:Managed Competition; D014481:United States