Primary Source Clinical Cancer Advances 2007: Annual Report on Progress Against Cancer From the American Society of Clinical Oncology By ASCO September 1, 2021
People David A. Ahlquist, pioneer of cancer screening, dies at 69 By The Cancer Letter December 31, 2020
Article Tabloids and tobacco: “TRICK CIGAR BLOWS MAN’S HEAD OFF” By The Center for the Study of Tobacco and Society