title: Leap of faith, Part D. Insurers invest heavily in Medicare despite risks.
authors.forename: Laura B
authors.initials: LB
authors.lastname: Benko
mesh_terms: D000368:Aged; D006801:Humans; D007356:Insurance, Pharmaceutical Services / Q000191:economics / Q000706:statistics & numerical data*; D040541:Marketing; D006278:Medicare / Q000706:statistics & numerical data*; D014481:United States