Do the oxides of nitrogen in cigarette smoke cause emphysema in smokers?
D001991:Bronchitis / Q000401:mortality; D004646:Emphysema / Q000139:chemically induced / Q000209:etiology*; D006801:Humans; D008297:Male; D009589:Nitrogen Oxides / Q000009:adverse effects*; D012119:Respiration; D012907:Smoking; D006113:United Kingdom; D014481:United States
D009589:Nitrogen Oxides