the following modifications were introduced : ( 1 ) endogenous acth was suppressed by dexamethasone administration prior to the test , ( 2 ) plasma 17-hydroxyprogesterone ( 17-ohp ) , cortisol ( f ) , progesterone ( p ) , corticosterone ( b ) and delta 4- androstenedione ( a ) were measured , ( 3 ) variables studied were the ratio of plasma increments ( delta ) between precursors and end products , ( 4 ) data were analysed by a step-wise discriminant analysis .
C0020387
17-hydroxyprogesterone
C0033308
progesterone