Guo, L., Luo, Y., & Fan, D. (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), 3315–3319. https://doi.org/10.14233/ajchem.2014.17517