title: [Occurrence, incidence and geographic distribution of Protostrongylidae among sheep in Switzerland].
mesh_terms: D000818:Animals; D005243:Feces / Q000469:parasitology; D009349:Nematode Infections / Q000453:epidemiology / Q000469:parasitology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology* / Q000469:parasitology; D013557:Switzerland
vernacular_title: Vorkommen, Häufigkeit und geographische Verbreitung von Protostrongyliden des Schafes in der Schweiz.