Paper  doi  bibtex   

@article{citeulike:2802663,
	title = {Equilibrium cluster formation in concentrated protein solutions and colloids},
	volume = {432},
	url = {http://dx.doi.org/10.1038/nature03109},
	doi = {10.1038/nature03109},
	journal = {Nature},
	author = {Stradner, Anna and Sedgwick, Helen and Cardinaux, Frederic and Poon, W. C. K. and Egelhaaf, Stefan U. and Schurtenberger, Peter},
	year = {2004},
	note = {bibtex[publisher=Nature Publishing Group]},
	keywords = {membrane},
	pages = {492}
}