Hu, Xiaohong An Injectable Hyaluronic Acid-Based Composite Hydrogel by DA Click Chemistry With pH Sensitive Nanoparticle for Biomedical Application. [electronic resource] - Frontiers in chemistry 2019 - 477 p. digital Publication Type: Journal Article ISSN: 2296-2646 Standard No.: 10.3389/fchem.2019.00477 doi