title: The value of market research.
authors.affiliation: PSI Arista, Fairfax, Virginia, USA. hgershon@psiarista.com
authors.forename: Howard J
authors.initials: HJ
authors.lastname: Gershon
authors.forename: William C
authors.initials: WC
authors.lastname: Jackson
mesh_terms: D019538:Health Care Surveys; D006801:Humans; D008389:Marketing of Health Services / Q000379:methods*; D020380:Needs Assessment; D014481:United States