fetal pulmonary prostacyclin production ( left lung ) [ ( left pulmonary venous concentration-pulmonary arterial concentration ) x left pulmonary blood flow ] was undetectable [ -1.7 +/- 1.0 ( sem ) ng pgi2 x kg-1 x min-1 ] and fetal pulmonary vascular resistance ( left lung ) high ( 5.1 +/- 0.9 mm hg x kg x min x ml-1 ) .
C0226670
left pulmonary venous
C0225730
left lung