Assertion: trigeminal nerve's branch | /r/HasProperty | blocked 1.5 cm posterior
Facets:
value: to the ear
type: LOCATION
value: at the level of the tragus
type: LOCATION
Source sentences:
text: The postauricular branches of the greater auricular nerves are blocked 1.5 cm posterior to the ear at the level of the tragus (see the section on regional blocks of the external ear).