[1]
W. Boonyo, H. E. . Junginger, N. Waranuch, A. . Polnok, and T. Pitaksuteepong, “Preparation and characterization of particles from chitosan with different molecular weights and their trimethyl chitosan derivatives for nasal immunization”, J Met Mater Miner, vol. 18, no. 2, Apr. 2017.