title: Polyamine levels in normal human serum. Comparison of analytical methods.
mesh_terms: D002849:Chromatography, Gas / Q000379:methods; D002852:Chromatography, Ion Exchange / Q000379:methods; D003429:Cross Reactions; D005069:Evaluation Studies as Topic; D006801:Humans; D013058:Mass Spectrometry / Q000379:methods; D011700:Putrescine / Q000097:blood* / Q000276:immunology; D011863:Radioimmunoassay / Q000379:methods; D013095:Spermidine / Q000097:blood* / Q000276:immunology; D013096:Spermine / Q000097:blood* / Q000276:immunology
chemical_list: D013096:Spermine; D013095:Spermidine; D011700:Putrescine