title: Increased sensitivity of the enzymatic isotopic assay of histamine: measurement of histamine in plasma and serum.
mesh_terms: D000328:Adult; D000818:Animals; D001921:Brain / Q000201:enzymology; D004285:Dogs; D005260:Female; D006168:Guinea Pigs; D000882:Haplorhini; D006632:Histamine / Q000097:blood*; D006637:Histamine N-Methyltransferase; D006801:Humans; D007553:Isotope Labeling; D007668:Kidney / Q000201:enzymology; D008253:Macaca mulatta; D008297:Male; D008780:Methyltransferases; D008875:Middle Aged; D051381:Rats; D013045:Species Specificity
chemical_list: D006632:Histamine; D008780:Methyltransferases; D006637:Histamine N-Methyltransferase