Injection of middle ear	Procedure on eustachian tube
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Injection of eustachian tube with inert material (procedure)
	Injection of eustachian tube with inert material
	injectie in buis van Eustachius met inert materiaal

Id	63772005
Status	Primitive

Direct substance	Substance
Method	Injection - action
Procedure site - Indirect	Structure of pharyngotympanic tube