Atrophic rhinitis.  I.  A herd survey.
D000818:Animals; D001284:Atrophy; D003625:Data Collection; D012220:Rhinitis; D012222:Rhinitis, Atrophic; D012871:Skin Diseases; D013552:Swine; D013553:Swine Diseases
RHINITIS, ATROPHIC; SWINE/diseases