title: Threshold ultrasonic dosages for structural changes in the mammalian brain.
mesh_terms: D000818:Animals; D001921:Brain / Q000528:radiation effects*; D002415:Cats; D006317:Hearing Loss, Noise-Induced / Q000473:pathology*; D008452:Maximum Allowable Concentration; D014465:Ultrasonics / Q000009:adverse effects*