TY - JOUR T1 - Improving Natural Biopolymeric Membranes Based on Chitosan and Collagen for Biomedical Applications Introducing Silver JO - Journal of the Brazilian Chemical Society A1 - Ungureanu, Camelia A1 - Ioniţă, Daniela A1 - Berteanu, Elena A1 - Tcacenco, Luminiţa A1 - Zuav, Adina A1 - Demetrescu, Ioana SN - 0103-5053 UL - 10.5935/0103-5053.20150298 VL - 26 Y1 - 2015 PB - Brasil ER -