COMPARISON OF CARDIAC OUTPUT DETERMINED BY THE BALLISTOCARDIOGRAPH (NICKERSON APPARATUS) AND BY THE DIRECT FICK METHOD

^{Department of Medicine, Columbia University College of Physicians and Surgeons, New York, N. Y.}

^{Cardiopulmonary Laboratory of the First Medical Division, New York, N. Y.}

^{Chest Service, Bellevue Hospital, New York, N. Y.}

This investigation was supported by a research grant (H-103) from the National Heart Institute, of the National Institutes of Health, Public Health Service.

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^{Department of Medicine, Columbia University College of Physicians and Surgeons, New York, N. Y.}

^{Cardiopulmonary Laboratory of the First Medical Division, New York, N. Y.}

^{Chest Service, Bellevue Hospital, New York, N. Y.}

This investigation was supported by a research grant (H-103) from the National Heart Institute, of the National Institutes of Health, Public Health Service.

Find articles by Field, W. in: PubMed | Google Scholar

^{Department of Medicine, Columbia University College of Physicians and Surgeons, New York, N. Y.}

^{Cardiopulmonary Laboratory of the First Medical Division, New York, N. Y.}

^{Chest Service, Bellevue Hospital, New York, N. Y.}

This investigation was supported by a research grant (H-103) from the National Heart Institute, of the National Institutes of Health, Public Health Service.

Find articles by Richards, D. in: PubMed | Google Scholar