This is just here as a test because I lose it
                    
                    
                Term information
                            database
                                cross reference
                            
                        - MESH:D006967
- UMLS_CUI:C0020517
- NCI:C3114
- SNOMEDCT_US_2018_03_01:91232002
- ICD10CM:T78.40
- SNOMEDCT_US_2018_03_01:21957007
                            Subsets
                            
                        
                        NCIthesaurus
                                definition
                                
                                    
                                
                            
                        
An immune system disease that is an exaggerated immune response to allergens, such as insect venom, dust mites, pollen, pet dander, drugs or some foods.
 
                        