@article {8438,
	title = {Holoclone forming cells from pancreatic cancer cells enrich tumor initiating cells and represent a novel model for study of cancer stem cells},
	journal = {PLoS ONE},
	year = {2011},
	doi = {10.1371/journal.pone.0023383},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/21826251},
	author = {Lei Tan and Xin Sui and Hongkui Deng and Mingxiao Ding}
}
