TY - RPRT TI - Three D structures of chitosan. AU - Kozo Ogawa AU - Toshifumi Yui AU - Kenji Okuyama PY - 2004 DO - 10.1016/j.ijbiomac.2003.11.002 UR - https://pubmed.ncbi.nlm.nih.gov/15178002/ ID - 15178002 ER -