| | endonasale operatie van sinus sphenoidalis (verrichting) |  |  | endonasale operatie van sinus sphenoidalis |  |  | intranasale operatie van wiggenbeenholte
 |  |  | Intranasal operation on sphenoid sinus | 
 | | Id | 73071000146107 |  | Status | Defined | 
| DHD Procedure thesaurus reference set | 
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