title: Comparison of chromatofocusing and isoelectric focusing in recovery of specific activity from biological fluids.
mesh_terms: D001826:Body Fluids / Q000032:analysis*; D002852:Chromatography, Ion Exchange; D006801:Humans; D007525:Isoelectric Focusing; D007526:Isoelectric Point; D011506:Proteins / Q000302:isolation & purification*
chemical_list: D011506:Proteins