Subjects: Occupational Exposure* ; Personnel, Hospital*; Ultrasonics/Ultrasonics/Ultrasonics/*adverse effects
Record details
Subjects: Occupational Diseases/Occupational Diseases/Occupational Diseases/*prevention & control ; Occupational Medicine/Occupational Medicine/Occupational Medicine/*history ; Ultrasonics/Ultrasonics/Ultrasonics/*adverse effects
Subjects: Ultrasonics/Ultrasonics/Ultrasonics/*adverse effects ; Vibration/Vibration/Vibration/*adverse effects; Absenteeism