@article {30998,
	title = {Prenatal infection of the Rocky Mountain bighorn sheep (Ovis c. canadensis) of Alberta with the lungworm Protostrongylus spp.},
	volume = {13},
	year = {1977},
	pages = {248-250},
	publisher = {Journal of Wildlife Diseases},
	author = {Gates, C. C. and Samuel, W. M.}
}
