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Newer lung function tests (e.g., flow volume-loops and closing volume), as well as standard pulmonary function tests, were performed on 19 healthy individuals in the third trimester and after delivery. We found that the flow characteristics, manifested in the FVL, and the CV remained unaltered during pregnancy. In regard to the standard pulmonary function(More)
In 16 guinea pigs the pulmonary circulation was isolated from the pulmonary systemic circulation and perfused with Tris buffer or with Tris buffer containing cromolyn sodium. The lungs were first ventilated with 100% O2 and then 100% N2 to induce alveolar hypoxia. The effluent was collected from the aorta and assayed for histamine by the fluorometric(More)
In 13 guinea pigs the pulmonary circulation was isolated from the systemic circulation and perfused with Tris buffer alone or with isoproterenol. The lungs were initially ventilated with 100% O2 and then switched to 100% N2 to induce alveolar hypoxia. The effluent was collected from the aorta and assayed for histamine. In the control group (n = 7) the(More)
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