Competitive problems in the drug industry : hearings before the select Committee on Small Business, Ninety-sixth Congress, first session.
United States.Senate.Select Committee on Small Business.
Washington : U.S. Govt. Print. Off.,
1979.
Part no. 34: Safety, efficacy, and usefulness of Darvon and other preparations containing propoxyphene: January 31, February 1 and 5, 1979.
Competitive problems in the drug industry.