title: Cytochemical investigation of acetyl-serotonin-transferase activity in the pineal gland.
mesh_terms: D000121:Acetylserotonin O-Methyltransferase / Q000032:analysis*; D000818:Animals; D006651:Histocytochemistry; D008780:Methyltransferases / Q000032:analysis*; D008928:Mitochondria / Q000201:enzymology*; D010870:Pineal Gland / Q000201:enzymology*; D051381:Rats
chemical_list: D008780:Methyltransferases; D000121:Acetylserotonin O-Methyltransferase