In vitro sensitivity of cancer cells to antitumor agents.
D000970:Antineoplastic Agents / Q000494:pharmacology*; D066298:In Vitro Techniques; D008727:Methotrexate / Q000494:pharmacology; D009369:Neoplasms / Q000473:pathology*; D013997:Time Factors
D000970:Antineoplastic Agents; D008727:Methotrexate