title: Hematology: relapsed and refractory PTCL--into the therapeutic abyss.
authors.forename: Francine
authors.initials: F
authors.lastname: Foss
mesh_terms: D000630:Aminopterin / Q000031:analogs & derivatives* / Q000627:therapeutic use; D000970:Antineoplastic Agents / Q000009:adverse effects*; D019008:Drug Resistance, Neoplasm / Q000187:drug effects*; D005493:Folic Acid Antagonists / Q000627:therapeutic use*; D006405:Hematology; D006801:Humans; D016411:Lymphoma, T-Cell, Peripheral / Q000188:drug therapy*; D009364:Neoplasm Recurrence, Local / Q000188:drug therapy*; D016879:Salvage Therapy
chemical_list: C418863:10-propargyl-10-deazaaminopterin; D000970:Antineoplastic Agents; D005493:Folic Acid Antagonists; D000630:Aminopterin