Multi-Material Dual Gradient 3D Printing for Osteogenic Differentiation and Spatial Segregation.

Tissue Eng Part A. 2019 Nov 7. doi:10.1089/ten.TEA.2019.0204.

Smith BT, Bittner SM, Watson E, Smoak MM, Diaz-Gomez LA, Molina ER, Kim YS,Hudgins CD, Melchiorri AJ, Scott DW, Grande-Allen KJ, Yoo JJ, Atala A, Fisher JP,Mikos AG.