

@article {8221,
	title = {{Helicobacter pylori in the natural environment}},
	journal = {Scandinavian Journal of Infectious Disease},
	volume = {31},
	number = {3},
	year = {1999},
	pages = {275{\textendash}9},
	author = {Sasaki, K and Tajiri, Y and Sata, M and Fujii, Y and Matsubara, F and Zhao, M. and Shimizu, S and Toyonaga, A and Tanikawa, K.}
}
