brain focal liquefactive necrosis
Focal brain ischemia injury
intracranial focal lesions
transient focal brain ischemia
Radiation brain Lesions
focal ratio (=focal-length ratio)
focal switch and focal shift
160120 focal plane array
35mm AF Focal Plane Cameras
35mm Multi Focal Points Lens Shutter Cameras
35mm NON-AF Focal Plane Cameras
35mm Single Focal Point Lens Shutter Cameras