title: ts-oncogene-transformed erythroleukemic cells: a novel test system for purifying and characterizing avian erythroid growth factors.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002645:Chickens; D002851:Chromatography, High Pressure Liquid; D004920:Erythropoiesis / Q000187:drug effects; D004921:Erythropoietin / Q000302:isolation & purification* / Q000494:pharmacology; D004915:Leukemia, Erythroblastic, Acute / Q000235:genetics* / Q000473:pathology; D009857:Oncogenes; D014170:Transformation, Genetic
chemical_list: D004921:Erythropoietin