title: Ultrasound exposure measurement: a hidden science?
authors.forename: F A
authors.initials: FA
authors.lastname: Duck
mesh_terms: D004739:England; D005260:Female; D006801:Humans; D008297:Male; D011874:Radiometry; D013222:State Medicine; D014465:Ultrasonics; D018608:Ultrasonography, Doppler / Q000379:methods / Q000706:statistics & numerical data