Oliveira, J. R., Martins, M. C. L., Mafra, L., & Gomes, P. (2012). Synthesis of an O-alkynyl-chitosan and its chemoselective conjugation with a PEG-like amino-azide through click chemistry. Carbohydrate PolymersCarbohydr Polym, 87(1), 240 - 249.