THE EFFECT OF MILD EXERCISE IN THE SUPINE POSITION ON THE PULMONARY ARTERIAL PRESSURE OF FIVE NORMAL HUMAN SUBJECTS

^{Cardiopulmonary Laboratory of the National Jewish Hospital at Denver, Colo.}

^{Department of Physiology of the University of Colorado Medical Center, Denver, Colo.}

Aided by a grant from the Life Insurance Medical Research Fund.

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^{Cardiopulmonary Laboratory of the National Jewish Hospital at Denver, Colo.}

^{Department of Physiology of the University of Colorado Medical Center, Denver, Colo.}

Aided by a grant from the Life Insurance Medical Research Fund.

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^{Cardiopulmonary Laboratory of the National Jewish Hospital at Denver, Colo.}

^{Department of Physiology of the University of Colorado Medical Center, Denver, Colo.}

Aided by a grant from the Life Insurance Medical Research Fund.

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^{Cardiopulmonary Laboratory of the National Jewish Hospital at Denver, Colo.}

^{Department of Physiology of the University of Colorado Medical Center, Denver, Colo.}

Aided by a grant from the Life Insurance Medical Research Fund.

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