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From Fragility to Flexibility: Construction of Hydrogel Bridges toward a Flexible Multifunctional Free-Standing CaCO₃ Film. Adv. Funct. Mater., 2017, DOI: 10.1002/adfm.201704956

http://onlinelibrary.wiley.com/doi/10.1002/adfm.201704956/full