title: Defective transport of aminopterin in relation to development of resistance in Yoshida sarcoma cells.
mesh_terms: D000630:Aminopterin / Q000378:metabolism* / Q000494:pharmacology; D000818:Animals; D000970:Antineoplastic Agents / Q000494:pharmacology; D001692:Biological Transport; D002462:Cell Membrane; D004790:Enzyme Induction; D005492:Folic Acid / Q000378:metabolism; D005493:Folic Acid Antagonists; D010042:Ouabain / Q000494:pharmacology; D051381:Rats; D012517:Sarcoma, Yoshida / Q000378:metabolism*; D012911:Snakes; D013762:Tetrahydrofolate Dehydrogenase / Q000378:metabolism; D014688:Venoms / Q000494:pharmacology
chemical_list: D000970:Antineoplastic Agents; D005493:Folic Acid Antagonists; D014688:Venoms; D010042:Ouabain; D005492:Folic Acid; D013762:Tetrahydrofolate Dehydrogenase; D000630:Aminopterin