A RAPID PLETHYSMOGRAPHIC METHOD FOR MEASURING THORACIC GAS VOLUME: A COMPARISON WITH A NITROGEN WASHOUT METHOD FOR MEASURING FUNCTIONAL RESIDUAL CAPACITY IN NORMAL SUBJECTS

^{Department of Physiology and Pharmacology, Graduate School of Medicine, University of Pennsylvania, Philadelphia, Pa.}

This investigation was supported in part by a research grant, H-406 from the National Heart Institute of the National Institutes of Health, U. S. Public Health Service.

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^{Department of Physiology and Pharmacology, Graduate School of Medicine, University of Pennsylvania, Philadelphia, Pa.}

This investigation was supported in part by a research grant, H-406 from the National Heart Institute of the National Institutes of Health, U. S. Public Health Service.

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^{Department of Physiology and Pharmacology, Graduate School of Medicine, University of Pennsylvania, Philadelphia, Pa.}

This investigation was supported in part by a research grant, H-406 from the National Heart Institute of the National Institutes of Health, U. S. Public Health Service.

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^{Department of Physiology and Pharmacology, Graduate School of Medicine, University of Pennsylvania, Philadelphia, Pa.}

This investigation was supported in part by a research grant, H-406 from the National Heart Institute of the National Institutes of Health, U. S. Public Health Service.

Find articles by Marshall, R. in: JCI | PubMed | Google Scholar

^{Department of Physiology and Pharmacology, Graduate School of Medicine, University of Pennsylvania, Philadelphia, Pa.}

This investigation was supported in part by a research grant, H-406 from the National Heart Institute of the National Institutes of Health, U. S. Public Health Service.

Find articles by Comroe, J. in: JCI | PubMed | Google Scholar