

@article {11942,
	title = {Immunization against poliomyelitis with living attenuated virus},
	journal = {Am J Trop Med Hyg},
	volume = {5},
	number = {3},
	year = {1956},
	pages = {440-52},
	type = {Journal Article},
	issn = {0002-9637 (Print) 0002-9637},
	author = {Koprowski, H.}
}
