title: Soluble HL-A iso-antigen preparations.
mesh_terms: D002848:Chromatography, DEAE-Cellulose; D004589:Electrophoresis, Disc; D000939:Epitopes / Q000032:analysis; D006648:Histocompatibility; D006358:Hot Temperature; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007519:Isoantigens / Q000032:analysis / Q000302:isolation & purification*; D010206:Papain / Q000494:pharmacology; D011506:Proteins / Q000032:analysis; D013154:Spleen / Q000166:cytology / Q000276:immunology
chemical_list: D000939:Epitopes; D007519:Isoantigens; D011506:Proteins; D010206:Papain