title: Fractionation of immunoreactive cholecystokinin by adsorption to QUSO or talc.
mesh_terms: D000327:Adsorption; D005591:Chemical Fractionation / Q000379:methods; D002766:Cholecystokinin / Q000276:immunology / Q000302:isolation & purification*; D010446:Peptide Fragments / Q000276:immunology / Q000302:isolation & purification*; D011863:Radioimmunoassay; D012822:Silicon Dioxide; D013627:Talc
chemical_list: D010446:Peptide Fragments; D013627:Talc; D012822:Silicon Dioxide; D002766:Cholecystokinin