title: First aid recommendations changed.
mesh_terms: D000143:Acids / Q000627:therapeutic use*; D000468:Alkalies / Q000506:poisoning*; D000818:Animals; D005392:First Aid; D006801:Humans; D000644:Quaternary Ammonium Compounds / Q000506:poisoning*; D012915:Soaps / Q000627:therapeutic use*
chemical_list: D000143:Acids; D000468:Alkalies; D000644:Quaternary Ammonium Compounds; D012915:Soaps