title: Studies on the etiology of phalaris staggers in sheep; a preliminary report.
authors.forename: I W
authors.initials: IW
authors.lastname: McDONALD
mesh_terms: D000818:Animals; D007411:Intestinal Diseases, Parasitic; D007422:Intestines; D010271:Parasites; D031783:Phalaris; D012756:Sheep; D012757:Sheep Diseases