title: Heterogeneity of histamine N-methyltransferase.
mesh_terms: D000818:Animals; D006637:Histamine N-Methyltransferase / Q000378:metabolism*; D007527:Isoenzymes / Q000378:metabolism; D008780:Methyltransferases / Q000378:metabolism*; D051381:Rats; D014018:Tissue Distribution
chemical_list: D007527:Isoenzymes; D008780:Methyltransferases; D006637:Histamine N-Methyltransferase