@article {4954,
	title = {Signaling via β1 integrins and mitogen-activated protein kinase determines human epidermal stem cell fate in vitro},
	year = {1999},
	pages = {6728-6733},
	doi = {10.1073/pnas.96.12.6728},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/10359780},
	author = {Alan Jian Zhu and Ingo Haase and Fiona M. Watt}
}
