| ISA | INVERSE-EVENT-RELATION |
| SUBCLASSES | DIAGNOSTIC-TEST-FOR HAS-SIDE-EFFECT RISK-FACTOR-FOR SYMPTOM-OF TREATMENT-FOR |
| DESCENDANTS | DIAGNOSTIC-TEST-FOR HAS-SIDE-EFFECT RISK-FACTOR-FOR SYMPTOM-OF TREATMENT-FOR |
| ANCESTORS | ALL INVERSE-EVENT-RELATION PROPERTY RELATION |
| RELATIONS | RANGE : DISEASE-EVENT |
| INHERITED RELATIONS | DOMAIN : OBJECT (from PROPERTY) EVENT (from PROPERTY) |