Microwell-mediated control of embryoid body size regulates embryonic stem cell fate via differential expression of WNT5a and WNT11
Proc. Natl. Acad. Sci. USA, October 6, 2009 vol. 106 no. 40 16978-16983. Published online before print September 23, 2009, doi: 10.1073/pnas.0905550106