title: Histochemical examination of the human placenta for 5-hydroxytryptamine and monoamine oxidase.
mesh_terms: D005260:Female; D005865:Gestational Age; D006651:Histocytochemistry; D006801:Humans; D008722:Methods; D008995:Monoamine Oxidase / Q000032:analysis*; D010920:Placenta / Q000032:analysis* / Q000201:enzymology; D012701:Serotonin / Q000032:analysis*; D014327:Trophoblasts / Q000201:enzymology
chemical_list: D012701:Serotonin; D008995:Monoamine Oxidase