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Excessive variations in the plethysmographic waveform during spontaneous ventilation: an important sign of upper airway obstruction. | Semantic Scholar
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Excessive variations in the plethysmographic waveform during spontaneous ventilation: an important sign of upper airway obstruction. | Semantic Scholar
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Pleth variability index to monitor the respiratory variations in the pulse oximeter plethysmographic waveform amplitude and predict fluid responsiveness in the operating theatre - British Journal of Anaesthesia
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