Partial bibliography on type-B and type-C viruses in relation to ani mal neoplasia : covering a oerid of Ja. 1967- Dec. 1970. - Washington, D. C. : U. S. Dept. of Health, Education and Welfare, 1970. - 103 p. : ill. Subjects--Topical Terms: Viruses -- bibliography National Library of Medicine Call No.: ZQW 160 / Un3p 1970