@article {2194,
	title = {A new 3D concentration gradient maker and its application in building hydrogels with a 3D stiffness gradient},
	journal = {Journal of Tissue Engineering and Regenerative Medicine},
	year = {2014},
	keywords = {Bioengineering},
	author = {G. Orsi and Fagnano, M. and C. De Maria and F. Montemurro and G. Vozzi}
}
