title: HMO up-date: is there a marketplace?
authors.forename: A
authors.initials: A
authors.lastname: Comper
mesh_terms: D003363:Cost Control; D003365:Costs and Cost Analysis; D006279:Health Maintenance Organizations / Q000191:economics* / Q000331:legislation & jurisprudence; D008389:Marketing of Health Services; D009310:National Health Insurance, United States; D014481:United States; D014483:United States Dept. of Health and Human Services