1. Thomson NC, Spears M. The influence of smoking on the treatment response in patients with asthma. Curr Opin Allergy Clin Immunol. 2005. 5:57–63.
2. Living in Britain: results from the 2002 General Household Survey. UK Gov. 2004. Accessed 20 August 2004. Office for National Statistics;Available at
http://www.statistics.gov.uk/lib.
3. Althuis M, Sexton M, Prybylski D. Cigarette smoking and asthma symptom severity among adult asthmatics. J Asthma. 1999. 36:257–264.
4. Silverman RA, Boudreaux ED, Woodruff PG, Clark S, Camargo CA Jr. Cigarette smoking among asthmatic adults presenting to 64 emergency departments. Chest. 2003. 123:1472–1479.
5. Turner MO, Noertjojo K, Vedal S, Bai T, Crump S, Fitzgerald JM. Risk factors for near fatal asthma: a case-control study in hospitalized patients with asthma. Am J Respir Crit Care Med. 1998. 157:1804–1809.
6. Lange P, Parner J, Vestbo J, Schnohr P, Jensen G. A 15 year follow-up study of ventilatory function in adults with asthma. N Engl J Med. 1998. 339:1194–1200.
7. Marquette CH, Saulnier F, Leroy O, Wallaert B, Chopin C, Demarcq JM, Durocher A, Tonnel AB. Long-term prognosis of near-fatal asthma. A 6-year follow-up study of 145 asthmatic patients who underwent mechanical ventilation for a near-fatal attack of asthma. Am Rev Respir Dis. 1992. 146:76–81.
8. Gallefoss F, Bakke PS. Does smoking affect the outcome of patient education and self management in asthmatics? Patient Educ Couns. 2003. 49:91–97.
9. Chalmers GW, Macleod KJ, Little SA, Thomson LJ, McSharry CP, Thomson NC. Influence of cigarette smoking on inhaled corticosteroid treatment in mild asthma. Thorax. 2002. 57:226–230.
10. American Thoracic Society. Standards for the diagnosis and treatment of patients with chronic obstructive pulmonary disease (COPD) and asthma. Am Rev Respir Dis. 1987. 136:225–244.
11. Park SW, Park JS, Lee YM, Lee JH, Jang AS, Kim DJ, Hwangbo Y, Uh ST, Kim YH, Park CS. Differences in radiological/HRCT findings in eosinophilic bronchitis and asthma: implication for bronchial responsiveness. Thorax. 2006. 61:41–47.
12. Jang AS, Lee JH, Park SW, Park JS, Kim DJ, Park CS. Risk factors related to fixed airway obstruction in patients with asthma after anti-asthma treatment. Ann Allergy Asthma Immunol. 2007. 99:408–412.
13. National Asthma Education and Prevention Program. Expert panel report: guidelines for the diagnosis and management of asthma update on selected topics--2002. J Allergy Clin Immunol. 2002. 110:5 Suppl. S141–S219.
14. American Thoracic Society. Lung function testing: selection of reference values and interpretative strategies. Am Rev Respir Dis. 1991. 144:1202–1218.
15. Juniper EF, Frith PA, Dunnett C, Cockcroft DW, Hargreave FE. Reproducibility and comparison of responses to inhaled histamine and methacholine. Thorax. 1978. 33:705–710.
16. Norzila MZ, Fakes K, Henry RL, Simpson J, Gibson PG. Interleukin-8 secretion and neutrophil recruitment accompanies induced sputum eosinophil activation in children with acute asthma. Am J Respir Crit Care Med. 2000. 161:769–774.
17. Pizzichini MM, Pizzichini E, Clelland L, Efthimiadis A, Mahony J, Dolovich J, Hargreave FE. Sputum in severe exacerbations of asthma: kinetics of inflammatory indices after prednisone treatment. Am J Respir Crit Care Med. 1997. 155:1501–1508.
18. Park CS, Kim YY, Kang SY. Collection between RAST and skin test for inhalant offending allergens. J Korean Soc Allergol. 1983. 3:1–9.
19. Higenbottam T, Feyeraband C, Clark T. Cigarette smoking in asthma. Br J Dis Chest. 1980. 74:279–284.
20. Jensen EJ, Dahl R, Steffensen F. Bronchial reactivity to cigarette smoke; relation to lung function, respiratory symptoms, serum-immunoglobulin E and blood eosinophil and leukocyte counts. Respir Med. 2000. 94:119–127.
21. Cassino C, Ito K, Bader I, Ciotoli G, Thurston G, Reibman J. Cigarette smoking and ozone-associated emergency department use for asthma by adults in New York City. Am J Respir Crit Care Med. 1999. 159:1773–1779.
22. Prescott E, Lange P, Vestbo J. Effect of gender on hospital admissions for asthma and prevalence of self-reported asthma: a prospective study based on a sample of the general population. Thorax. 1997. 52:287–289.
23. Rasmussen F, Taylor DR, Flannery EM, Cowan JO, Greene JM, Herbison GP, Sears MR. Risk factors for hospital admissions for asthma from children to young adulthood: a longitudinal population study. J Allergy Clin Immunol. 2002. 110:220–227.
24. Mitchell I, Tough SC, Semple LK, Green FH, Hessel PA. Near-fatal asthma: a population-based study of risk factors. Chest. 2002. 121:1407–1413.
25. Marquette CH, Saulnier F, Leroy O, Wallaert B, Chopin C, Demarcq JM, Durocher A, Tonnel AB. Long-term prognosis of near-fatal asthma. A 6-year follow-up study of 145 asthmatic patients who underwent mechanical ventilation for a near-fatal attack of asthma. Am Rev Respir Dis. 1992. 146:76–81.
26. Apostol G, Jacobs DR Jr, Tsai AW, Crow RS, Williams OD, Townsend MC, Beckett WS. Early life factors contribute to the decrease in lung function between ages 18 and 40: the Coronary Artery Risk Development in Young Adults study. Am J Respir Crit Care Med. 2002. 166:166–172.
27. Chalmers GW, Macleod KJ, Little SA, Thomson LJ, McSharry CP, Thomson NC. Influence of cigarette smoking on inhaled corticosteroid treatment in mild asthma. Thorax. 2002. 57:226–230.
28. Chaudhuri R, Livingston E, McMahon AD, Thomson L, Borland W, Thomson NC. Cigarette smoking impairs the therapeutic response to oral corticosteroids in chronic asthma. Am J Respir Crit Care Med. 2003. 168:1308–1311.
29. Oosterhoff Y, Jansen MA, Postma D, Koeter GH. Airway responsiveness to adenosine 59-monophoshate in smokers and nonsmokers with atopic asthma. J Allergy Clin Immunol. 1993. 92:773–776.
30. Chalmers GW, MacLeod KJ, Thomson L, Little SA, McSharry C, Thomson NC. Smoking and airway inflammation in patients with mild asthma. Chest. 2001. 120:1917–1922.
31. Saetta M, Turato G, Maestrelli P, Mapp CE, Fabbri LM. Cellular and structural bases of chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 2001. 163:1304–1309.
32. Moerloose KB, Pauwels RA, Joos GF. Short-term cigarette smoke exposure enhances allergic airway inflammation in mice. Am J Respir Crit Care Med. 2005. 172:168–172.