Sousa R. O., Martins E., Carvalho D. N., Alves A. L., Oliveira C., Duarte A. R. C., Silva T. H., and Reis R. L.,  "Collagen from Atlantic cod (Gadus morhua) skins extracted using CO2 acidified water with potential application in healthcare",  Journal Of Polymer Research, vol. 27, issue 3, doi:10.1007/s10965-020-02048-x, 2020.