Provides complete bibliographic citation for journal publication, including the four-tier descriptor terms used for cataloging/searching. Includes fields for "project title, accession number, title, author(s), source, [author] affiliation, annotation [precis written by abstractor], abstract, abstractor, date, editor, proofread, final OK, [and] prepare descriptions on back side of this paper". Quotes from publication: "[i]f an agent is found to be carcinogenic to a variety of animals, and if the human epidemiologic data are not inconsistent with this finding, then the burden of proof lies upon those who claim these substances are not carcinogenic to man".