Is cigarette smoke exposure a confounder in the evaluation or efficacy of nasal steroid sprays in nonallergic, noninfectious perennial rhinitis?
Ferguson
B J
BJ
D000280:Administration, Inhalation; D000328:Adult; D000893:Anti-Inflammatory Agents / Q000627:therapeutic use*; D015986:Confounding Factors, Epidemiologic; D006801:Humans; D012221:Rhinitis, Allergic, Perennial / Q000188:drug therapy* / Q000453:epidemiology; D012907:Smoking; D013256:Steroids
D000893:Anti-Inflammatory Agents; D013256:Steroids