อัตราการกรองสารที่ไตกับปริมาณพลาสมาที่ไหลผ่านไตในผู้ป่วย ...

Method : The patients took low residual diet for dinner before test day.No food or drink was. allowed at least 10 hours before test. Then 20% glucose solution was given 1 g./kg. in the morning. of test day.Expired breath air was collected every 20 min.for 2 hours to measure concentration of. hydrogen , methane and carbondioxide by ................
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