Source: GenomeWeb
August 17, 1970
Source: WTAE
August 17, 1970
Source: Pittsburgh Tribune-Review
August 17, 1970
Source: Pittsburgh Business Times
August 17, 1970
Source: Healio
August 17, 1970
Source: BioSpace
August 17, 1970
Source: Irish Examiner
August 17, 1970