

@article {6018,
	title = {{Hepatitis E vaccine development: a 14 year odyssey}},
	journal = {Human Vaccines and Immunotherapeutics},
	volume = {8},
	number = {6},
	year = {2012},
	pages = {823{\textendash}827},
	author = {Wu, T and Li, SW and Zhang, J and Ng, MH and N S Xia and Zhao, Q}
}
