dead-space-to-tidal volume ratio

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Accuracy of Physiologic Dead Space Measurements in Patients With Acute Respiratory Distress Syndrome Using Volumetric Capnography: Comparison With the Metabolic Monitor Method
Richard H Kallet, Brian M Daniel, Oscar Garcia and Michael A Matthay

Respiratory Care April 2005, 50 (4) 462-467;
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Prognostic Value of the Pulmonary Dead-Space Fraction During the First 6 Days of Acute Respiratory Distress Syndrome
Richard H Kallet, James A Alonso, Jean-François Pittet and Michael A Matthay

Respiratory Care September 2004, 49 (9) 1008-1014;