title: Factors involved in middle ear infection (otitis media) in lambs.
mesh_terms: D000821:Animal Feed; D000818:Animals; D000831:Animals, Newborn; D005260:Female; D008297:Male; D010033:Otitis Media / Q000453:epidemiology / Q000209:etiology / Q000662:veterinary*; D012606:Scotland; D012756:Sheep; D012757:Sheep Diseases