in sera with elevated total ige positive tests ( greater than 8 x background ) were observed frequently : hgh 9.1 % , ghrh1-44 5.5 % , ghrh1-29 12.7 % , erythropoietin 10.9 % , human calcitonin 14.6 % , salmon calcitonin 1.8 % , acth 5.5 % , insulin 14.6 % , proinsulin 7.3 % , insulin a chain 1.8 % , insulin b chain 18.2 , c-peptide 9.1 % , and igf 9.1 % .
C0033362
proinsulin
C0006558
c-peptide