@article {Sharir2007,
	title = {HIF1? regulation of Sox9 in necessary to maintain differentiation of hypoxic prechondrogenic cells during early skeletogenesis},
	journal = {Development},
	volume = {134},
	year = {2007},
	pages = {3917-3928},
	author = {Amarilio, R. and Viukov, S.V. and Sharir, A. and Eshkar-Oren, I. and Johnson, R.S. and Zelzer, E.}
}
