title: Measurement and characterisation of the acoustic output of medical ultrasonic equipment. Part 2.
mesh_terms: D000162:Acoustics / Q000295:instrumentation; D006801:Humans; D011312:Pressure; D014159:Transducers; D014464:Ultrasonic Therapy / Q000295:instrumentation*; D014463:Ultrasonography / Q000295:instrumentation*