Assertion: vibrating tuning fork | /r/AtLocation | the middle of the forehead
Facets:
value: equidistant on top of the head
type: LOCATION
Source sentences:
text: In the Weber test a vibrating tuning fork (Typically 256 Hz  or 512 Hz  used for Weber vibration test; 512 Hz used for Rinne hearing test) is placed in the middle of the forehead, above the upper lip under the nose over the teeth, or on top of the head equidistant from the patient's ears on top of thin skin in contact with the bone.