title: A longitudinal serological survey of respiratory virus infections in lambs.
mesh_terms: D000257:Adenoviridae Infections / Q000453:epidemiology / Q000662:veterinary; D000818:Animals; D018184:Paramyxoviridae Infections / Q000453:epidemiology / Q000662:veterinary; D012141:Respiratory Tract Infections / Q000453:epidemiology / Q000662:veterinary*; D012621:Seasons; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*; D014777:Virus Diseases / Q000662:veterinary*