title: Market segmentation. Sixth in a series examining revenue growth strategies in a difficult health care market.
authors.affiliation: Health Strategies & Solutions, Inc., Philadelphia, USA.
authors.forename: Alan M
authors.initials: AM
authors.lastname: Zuckerman
authors.forename: Tracy K
authors.initials: TK
authors.lastname: Johnson
mesh_terms: D003710:Demography; D004194:Disease / Q000145:classification; D017598:Efficiency, Organizational; D005260:Female; D019981:Health Care Sector / Q000458:organization & administration*; D006801:Humans; D008389:Marketing of Health Services / Q000379:methods*; D017149:Private Sector; D011357:Product Line Management / Q000191:economics*; D011365:Professional Practice Location; D014481:United States