Sphygmomanometer, measure pressure:
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Surgical suction device
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Blood transfusion apparatus
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People’s voices, hallway, Hospital
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Respiratory mask
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Dentist drilling teeth
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Blood analyzer
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Small crowd in the hospital room, talking
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Pencil movement, EEG
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Doctors voices, suction, Hospital, operation
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Medical laboratory, instrument noise
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Fluoroscopy
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Dentist drilling teeth, on the background of
★★★★★