title: Immunochemical and physicochemical properties of calf thymus extract; Part I. Preliminary studies on heterogeneity of thymus factor X (TFX).
mesh_terms: D000596:Amino Acids / Q000276:immunology / Q000302:isolation & purification*; D000818:Animals; D002417:Cattle; D002848:Chromatography, DEAE-Cellulose; D004589:Electrophoresis, Disc; D006801:Humans; D010455:Peptides / Q000302:isolation & purification; D013950:Thymus Gland / Q000032:analysis*
chemical_list: D000596:Amino Acids; D010455:Peptides