. . . . . . . . . . . "Health care fraud/Medicare secondary payer program : hearings before the Permanent Subcommittee on Investigations of the Committee on Governmental Affairs, United States Senate, One Hundred First Congress, second session, July 11, 12, 1990"@en . "Health care fraud/Medicare secondary payer program hearings before the Permanent Subcommittee on Investigations of the Committee on Governmental Affairs, United States Senate, One Hundred First Congress, second session, July 11, 12, 1990"@en . . . . . . . .