TY - GEN AU - FRIEDKIN,M AU - GOLDIN,A TI - The use of dihydrofolate reductase in studies of mixed populations of sensitive and resistant leukemic cells SN - 0008-5472 PY - 1998///1101 KW - Animals KW - Leukemia, Experimental KW - Oxidoreductases KW - metabolism KW - Tetrahydrofolate Dehydrogenase N1 - Publication Type: Journal Article ER -