basal serum piiip levels were significantly ( p less than 0.01 ) higher in acromegalic patients ( mean +/- sem , 22.7 +/- 2.1 ng/ml ) than in normal subjects ( n = 30 ; 9.7 +/- 0.5 ng/ml ) , and they were significantly correlated with plasma smc values ( r = 0.31 ; p less than 0.05 ) .
C0229671
serum
C0032105
plasma