Guo, L. et al. 2014. Enhancing the Production of Human-Like Collagen II by Adding L-Methionine During High-Cell-Density Fermentation of Recombinant Escherichia coli. Asian Journal of Chemistry. 26, 11 (May 2014), 3315–3319. DOI:https://doi.org/10.14233/ajchem.2014.17517.