title: Absence of catecholamines from islet cells of human pancreas and a beta-cell tumour in man.
mesh_terms: D007516:Adenoma, Islet Cell; D002395:Catecholamines; D005260:Female; D006651:Histocytochemistry; D006801:Humans; D007515:Islets of Langerhans / Q000032:analysis*; D008856:Microscopy, Fluorescence; D008875:Middle Aged; D012701:Serotonin
chemical_list: D002395:Catecholamines; D012701:Serotonin