A preliminary investigation into the role of immunity in modifying the blood-borne spread of chemically induce rat sacromas. - [Washington, D.C., 1974] - v. [Reprinted from JNCI, v. 53, no.6, Dec. 1974]. CRDP Program Historic Shelflist record. Subjects--Topical Terms: Cancer--Research. Gov. Doc. Class. No.: HE 20.3161/A:SA 71/15