TY - RPRT TI - "Morphologically normal" hamster cells with malignant properties. AU - V DEFENDI AU - J LEHMAN AU - P KRAEMER PY - 1963 DO - 10.1016/0042-6822(63)90058-8 UR - https://pubmed.ncbi.nlm.nih.gov/14026400/ ID - 14026400 ER -