M E Svoboda et al.
Biochemistry, 19(4), 790-797 (1980-02-19)
Somatomedin-C (SM-C) was purified from Cohn fraction IV of human plasma by a series of steps which included cation-exchange chromatography, gel filtration, isoelectric focusing, and reverse-phase high-pressure liquid chromatography. The peptide isolated contained 10,142 units/mg, as judged by a radioimmunoassay