TY - CHAP T1 - Hydrogels with 3D Gradient of Mechanical Properties T2 - Hydrogels: Synthesis, Characterization and Applications Y1 - 2012 A1 - G. Orsi A1 - Carta, V A1 - G. Vozzi KW - Bioengineering JF - Hydrogels: Synthesis, Characterization and Applications ER -