Imprint varies: Chicago, Ill. : University of Chicago Press, 1941- ; Baltimore, Md. : Cancer Research, Inc., ; Philadelphia, PA : American Association for Cancer Research, Description based on: Vol. 40, no. 3 (Mar. 1980); title from cover. Latest issue consulted: Vol. 54, no. 21 (Nov. 1, 1994). From 1958-1967, some issues accompanied by separately paged supplement numbered pt. 2, with title Cancer chemotherapy screening data. Issued 1941-Jan. 1946 by International Cancer Research Foundation; Feb. 1946-1948 by the William H. Donner Foundation.