@article{article9f7bd287,
title   = {Hydrogels from chitosan and a novel copolymer poly(n-vinyl-2-pyrrolidone-Co-acrolein)},
author = {Barros, Janaina Aline Galvão and Brant, Antônio Jedson Caldeira and Catalani, Luiz Henrique},
year = {2011},
doi = {10.4236/msa.2011.28143},
journal   = {Materials Sciences and Application}
}