@article {orr2006long,
	title = {Long-term immunity in young adults after a single dose of inactivated Hepatitis A vaccines},
	journal = {Vaccine},
	volume = {24},
	number = {20},
	year = {2006},
	pages = {4328{\textendash}4332},
	publisher = {Elsevier},
	author = {Orr, Nadav and Klement, Eyal and Gillis, David and Sela, Tamar and Kayouf, Raid and Derazne, Estela and Grotto, Itamar and Balicer, Ran and Huerta, Michael and Aviram, Lisa and others}
}
