title: The amine and amino acid composition in the Retzius cells of the leech Hirudo medicinalis.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D000818:Animals; D002247:Carbon Isotopes; D002845:Chromatography; D003619:Dansyl Compounds; D005724:Ganglia / Q000032:analysis / Q000166:cytology; D007865:Leeches / Q000032:analysis*; D008832:Microchemistry; D009474:Neurons / Q000032:analysis*; D012701:Serotonin / Q000032:analysis*
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D003619:Dansyl Compounds; D012701:Serotonin