Drainage procedure	Nasal sinus procedure
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External drainage of frontal sinus (procedure)
	External drainage of frontal sinus
	uitwendige drainage van sinus frontalis
	uitwendige drainage van voorhoofdsholte

Id	70781000146100
Status	Defined

Direct substance	Substance
Method	External drainage
Procedure site - Indirect	Frontal sinus structure

DHD Procedure thesaurus reference set