title: [Analysis of the blood C-peptide level using C-peptide Kit (I) and its clinical application].
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D010455:Peptides / Q000097:blood*; D011384:Proinsulin / Q000097:blood*
chemical_list: D010455:Peptides; D011384:Proinsulin