title: Comparison of two methods for the determination of substance P immunoreactivity in human cerebrospinal fluid: sulphopropyl-Sephadex ion-exchange chromatography and/or reversed-phase high-performance liquid chromatography combined with radioimmunoassay.
mesh_terms: D000328:Adult; D000368:Aged; D002851:Chromatography, High Pressure Liquid; D002852:Chromatography, Ion Exchange; D006801:Humans; D007202:Indicators and Reagents; D007457:Iodine Radioisotopes; D008875:Middle Aged; D011863:Radioimmunoassay; D013373:Substance P / Q000134:cerebrospinal fluid*
chemical_list: D007202:Indicators and Reagents; D007457:Iodine Radioisotopes; D013373:Substance P