TY - GEN AU - Kinsella,A R AU - Haran,M S TI - Decreasing sensitivity to cytotoxic agents parallels increasing tumorigenicity in human fibroblasts SN - 0008-5472 PY - 1991///0423 KW - Aspartic Acid KW - analogs & derivatives KW - Cell Line KW - Cell Line, Transformed KW - Cell Transformation, Neoplastic KW - chemically induced KW - Drug Resistance KW - Fibroblasts KW - drug effects KW - Gene Amplification KW - Humans KW - Methotrexate KW - toxicity KW - Phenotype KW - Phosphonoacetic Acid N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't ER -