Poliomyelitis vaccine.
Subtitle: Hearings before the Committee on Labor and Public Welfare, United States Senate, Eighty-fourth Congress, first session on S. 1984 ... and S. 2147 ...
Publisher: U.S. Govt. Print. Off.
Published: 1955
Place of publication: Washington
Language: eng
Subjects: Poliomyelitis vaccine.
Notes: Hearings held June 14, 1955-