| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Non-surgical otoscopic ear biopsy | Instrumentation | False | Otoscope, device | Inferred relationship | Existential restriction modifier |  | 
| Non-surgical otoscopic ear biopsy | Access instrument | False | Otoscope, device | Inferred relationship | Existential restriction modifier |  | 
| Magnifying otoscopy | Access instrument | False | Otoscope, device | Inferred relationship | Existential restriction modifier |  | 
| External ear endoscopy | Access instrument | False | Otoscope, device | Inferred relationship | Existential restriction modifier |  | 
| Endoscopy of ear | Access instrument | False | Otoscope, device | Inferred relationship | Existential restriction modifier |  | 
| Non-surgical otoscopic ear biopsy | Using access device | False | Otoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Non-surgical otoscopic ear biopsy | Using access device | True | Otoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| External ear endoscopy | Using device | False | Otoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Magnifying otoscopy | Using device | False | Otoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopy of ear | Using device | False | Otoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Magnifying otoscopy | Using device | True | Otoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopy of ear | Using device | True | Otoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| External ear endoscopy | Using device | True | Otoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Flexible video otoscope | Is a | True | Otoscope, device | Inferred relationship | Existential restriction modifier |  | 
| Rigid otoscope | Is a | True | Otoscope, device | Inferred relationship | Existential restriction modifier |  | 
| Flexible fiberoptic otoscope | Is a | True | Otoscope, device | Inferred relationship | Existential restriction modifier |  |