title: Standards and measurement.
authors.affiliation: Centre for Mechanical and Acoustical Metrology, National Physical Laboratory, Teddington, Middlesex, UK.
authors.forename: R C
authors.initials: RC
authors.lastname: Preston
mesh_terms: D002138:Calibration; D006358:Hot Temperature; D006801:Humans; D012449:Safety; D017695:Soft Tissue Injuries / Q000209:etiology; D014463:Ultrasonography / Q000009:adverse effects / Q000592:standards*