Unnecessary exposure to radiation from medical dental x-rays : hearings before the Subcommittee on Oversight and Investigations of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-sixth Congress, first session, July 24 and 31, 1979.
U.S. Government Printing Office,
|Series:||U.S. Congressional documents. Congressional hearings.
|Online Access:||HeinOnline U.S. Congressional Documents Collection|
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