title: The selective membrane filtration of an erythropoiesis-stimulating factor (ESF)--generating factor (EGF) in the presence of erythropoietin (ESF).
mesh_terms: D002623:Chemistry Techniques, Analytical; D004920:Erythropoiesis; D004921:Erythropoietin; D005374:Filtration; D006457:Hemoglobinuria, Paroxysmal / Q000652:urine; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D008970:Molecular Weight; D009101:Multiple Myeloma / Q000652:urine; D011485:Protein Binding; D011506:Proteins / Q000302:isolation & purification*
chemical_list: D011506:Proteins; D004921:Erythropoietin