standard human-c-peptide and human-c-peptide antiserum were very stable on storage at 4 degrees c , 125i-tyrosyl human-c-peptide was unstable as compared with the former two , the stability of the assay kit was influenced by the stability of 125i-tyrosyl human-c-peptide , and was stable at 4 degrees c for ten weeks after preparation .
C0086418
human
C0006558
c-peptide