@article{song2015controlled, title = {Controlled surface topography regulates collective 3D migration by epithelial--mesenchymal composite embryonic tissues}, author = {Song, Jiho and Shawky, Joseph H and Kim, YongTae and Hazar, Melis and LeDuc, Philip R and Sitti, Metin and Davidson, Lance A}, journal = {Biomaterials}, volume = {58}, pages = {1--9}, publisher = {Elsevier}, month = apr, year = {2015}, doi = {10.1016/j.biomaterials.2015.04.021}, month_numeric = {4} }