title: Effects of nitrogen dioxide and tobacco smoke on retention of inhaled bacteria.
mesh_terms: D000818:Animals; D006224:Cricetinae; D007711:Klebsiella pneumoniae / Q000187:drug effects*; D008168:Lung / Q000382:microbiology; D008297:Male; D009585:Nitrogen Dioxide / Q000494:pharmacology* / Q000506:poisoning; D010947:Plants, Toxic; D011014:Pneumonia / Q000382:microbiology*; D012906:Smoke; D013997:Time Factors; D014026:Nicotiana; D014774:Virulence
chemical_list: D012906:Smoke; D009585:Nitrogen Dioxide