On the nature of a transport alteration determining resistance to amethopterin in the L1210 leukemia.
D000818:Animals; D001693:Biological Transport, Active; D002869:Chromosome Aberrations; D007939:Leukemia L1210 / Q000378:metabolism*; D008727:Methotrexate / Q000378:metabolism* / Q000494:pharmacology; D051379:Mice; D009368:Neoplasm Transplantation; D013696:Temperature; D014316:Tritium
D014316:Tritium; D008727:Methotrexate