. . "Insurance, Medigap economics." . . . . . . . . . . "Medigap insurance insurers whose loss ratios did not meet federal minimum standards in 1988-89 : report to the Chairman, Subcommittee on Health, Committee on Ways and Means, House of Representatives"@en . "Medigap insurance : insurers whose loss ratios did not meet federal minimum standards in 1988-89 : report to the Chairman, Subcommittee on Health, Committee on Ways and Means, House of Representatives" . . . . . . .