الفهرس 
Mechanism of respirationOnly 14 pages are availabe for public view
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Abstract
we have compared difference between two lung ventilation and one lung ventilation as regards the hemodynamic variables heart rate mean arterial blood pressure central venous pressure and arterial blood gases PH O2 saturation and PaO2 during the following study times :before induction of anesthesia after induction of anesthesia and before lateral decubitus position 20 ,40, 60, 80 min.