title: Paul Langerhans' death centennial, July 20, 1988.
mesh_terms: D004850:Eponyms; D005707:Gallic Acid / Q000031:analogs & derivatives / Q000266:history; D049672:History, 19th Century; D007801:Langerhans Cells; D009942:Organometallic Compounds / Q000266:history
chemical_list: D009942:Organometallic Compounds; D005707:Gallic Acid; C002170:bismuth subgallate