Mailing of unsolicited sample drugs and other potentially harmful items.
Subtitle: Hearing, Ninetieth Congress, first session, on H.R. 3954 ... April 19, 1967.
Publisher: U.S. Govt. Print. Off.
Published: 1967
Place of publication: Washington
Language: eng
Number of pages: 32
Subjects: Mail-order business -- Law and legislation -- United States; Hazardous substances -- Transportation -- Law and legislation -- United States
Notes: "Serial no. 90-6."