TY - RPRT TI - A non-covalently cross-linked chitosan based hydrogel. AU - L Noble AU - A I Gray AU - L Sadiq AU - I F Uchegbu PY - 1999 DO - 10.1016/s0378-5173(99)00306-3 UR - https://pubmed.ncbi.nlm.nih.gov/10567748/ ID - 10567748 ER -