title: Diurnal and annual fluctuations of aerial bacterial and dust levels in enclosed swine houses.
mesh_terms: D000391:Air Microbiology; D000818:Animals; D001419:Bacteria / Q000302:isolation & purification; D004391:Dust; D006799:Housing, Animal; D012621:Seasons; D013552:Swine; D013696:Temperature; D013997:Time Factors
chemical_list: D004391:Dust