title: Adverse selection in the health care financing system.
authors.forename: R L
authors.initials: RL
authors.lastname: Archer
mesh_terms: D003032:Coal Mining; D003098:Collective Bargaining; D004608:Eligibility Determination; D006296:Health Services / Q000706:statistics & numerical data; D007341:Insurance / Q000191:economics*; D007343:Insurance Carriers / Q000191:economics*; D007348:Insurance, Health / Q000191:economics* / Q000331:legislation & jurisprudence; D010414:Pennsylvania