SEARCH Articles Figures Tables Basic fibroblast growth factor crosslinked hydrogels Covalently crosslinked hydrogels Crosslinker-free hydrogels Crosslinkers and Degradable Crosslinked Hydrogels Comprising Them Hydrogels crosslink density Hydrogels crosslinking methods Hydrogels crosslinks Hydrogels crosslinks Ionically crosslinked hydrogels Physically crosslinked hydrogels Polymers and Their Physically Crosslinked Hydrogels by Freeze-Thaw Technique