Nonmalignancy of hybrids derived from two mouse malignant cells : I. hybrids between L1210 leukemia cells and malignant L cells. - [Washington, D.C., 1973] - v. (Reprinted from JNCI, v.51, no.5, Nov. 1973.). CRDP Program Historic Shelflist record. Subjects--Topical Terms: Leukemia--Research. Gov. Doc. Class. No.: HE 20.3161/A:H 989