title: Instability of C-peptide reactivity in plasma and serum stored at -20 degrees C.
mesh_terms: D000328:Adult; D000906:Antibodies / Q000276:immunology; D002096:C-Peptide / Q000097:blood* / Q000276:immunology; D003080:Cold Temperature; D004355:Drug Stability; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D008297:Male; D010455:Peptides / Q000097:blood*; D011863:Radioimmunoassay; D013997:Time Factors
chemical_list: D000906:Antibodies; D002096:C-Peptide; D010455:Peptides