clonidine-treated hypertension was associated with decreased ( 0.2 +/- 0.1 ng/ml ) and renal insufficiency with increased ( 0.9 +/- 0.7 ng/ml ) maternal plasma norepinephrine concentrations ( control group , 0.3 +/- 0.1 ng/ml ) .
C0009014
clonidine
C0020538
hypertension