@article{ungureanu_ioniţă_berteanu_tcacenco_zuav_demetrescu_2015,  title={Improving Natural Biopolymeric Membranes Based on Chitosan and Collagen for Biomedical Applications Introducing Silver},  volume={26},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20150298},  DOI={10.5935/0103-5053.20150298},  number={3},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Ungureanu, Camelia and Ioniţă, Daniela and Berteanu, Elena and Tcacenco, Luminiţa and Zuav, Adina and Demetrescu, Ioana},  year={2015},  month={Mar},  pages={458–465} }