proinsulin varied between 0.000-0.25 pmol/ml ( 0.069 +/- 0.071 ) and at onset amounted to 31.3 +/- 29.4 ( 0.100 ) % of c-peptide as compared to 3.3 +/- 1.1 ( 1.7-6.6 ) in non-diabetics .
C0033362
proinsulin
C0006558
c-peptide