@article {377511,
	title = {Programming Mechanical and Physicochemical Properties of 3D Hydrogel Cellular Microcultures via Direct Ink Writing},
	journal = {Advanced Healthcare Materials},
	volume = {5},
	year = {2016},
	pages = {1025{\textendash}1039},
	author = {J. M. McCracken and A. Badea and M. E. Kandel and A. S. Gladman and D. J. Wetzel and G. Popescu and J. A. Lewis and R. G. Nuzzo}
}
