[The health protection of those working with ultrasonic apparatus].
Nagornaia
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Litvinova
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D000818:Animals; D006282:Health Personnel; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology / Q000517:prevention & control*; D014464:Ultrasonic Therapy / Q000295:instrumentation; D014465:Ultrasonics / Q000009:adverse effects*; D014463:Ultrasonography / Q000295:instrumentation
Okhrana zdorov'ia rabotaiushchikh s ul'trazvukovymi apparatami.