@article {5141,
	title = {Robust, tunable biological oscillations from interlinked positive and negative feedback loops},
	journal = {Science},
	year = {2008},
	pages = {126-139},
	doi = {10.1126/science.1156951},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/18599789},
	author = {Tony Yu-Chen Tsai and Sup Choi Yoon and Wenzhe Ma and Joseph R. Pomerening and Chao Tang and James E. Ferrell Jr.}
}
