Negative pressure ventilator
http://dbpedia.org/resource/Negative_pressure_ventilator
A negative pressure ventilator (NPV) is a type of mechanical ventilator that stimulates an ill person's breathing by periodically applying negative air pressure to their body to expand and contract the chest cavity.
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Negative pressure ventilator
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47515165
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1100040785
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A negative pressure ventilator (NPV) is a type of mechanical ventilator that stimulates an ill person's breathing by periodically applying negative air pressure to their body to expand and contract the chest cavity.
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15802