

@article {13849,
	title = {Helicobacter pylori in the natural environment},
	journal = {Scand J Infect Dis},
	volume = {31},
	number = {3},
	year = {1999},
	pages = {275{\textendash}9},
	author = {Sasaki K, Tajiri Y, Sata M, Fujii Y, Matsubara F, Zhao M, Shimizu S, Toyonaga A, Tanikawa K.}
}
