Abstract

23 van Elteren P. On the combination of independent two-sample tests of Wilcoxon. Bull Int Statist Inst 1960; 37: 351–61. 24 Hollander M, Wolfe DA. The two-sample location problem. In: Nonparametric statistical methods, 1st edn. New York: John Wiley and sons; 1973: 67–82. 25 Pauwels R, Buist A, Calverley P, Jenkins C, Hurd S. Global strategy for the diagnosis, management and prevention of chronic obstructive pulmonary disease: NHLBI/WHO global initiative for chronic obstructive lung disease (GOLD) workshop summary. Am J Respir Crit Care Med 2001; 163: 1256–76. 26 Thompson A, Mueller M, Heires A, et al. Aerosolized beclomethasone in chronic bronchitis. Improved pulmonary function and diminished airway inflammation. Am Rev Respir Dis 1992; 146: 389–95. 27 Wijkstra P, Ten Vergert E, Van Altena R, et al. Reliability and validity of the chronic respiratory questionnaire (CRQ). Thorax 1994; 49: 465–67. 28 Rutten-van Molken M, Roos B, Van Noord J. An empirical comparison of the St George’s Respiratory Questionnaire (SGRQ) and the Chronic Respiratory Disease Questionnaire (CRQ) in a clinical trial setting. Thorax 1999; 54: 995–1003. 29 Bestall J, Paul E, Garrod R, Garnham R, Jones P, Wedzicha J. Usefulness of the Medical Research Council (MRC) dyspnoea scale as a measurement of disability in patients with chronic obstructive pulmonary disease. Thorax 1999; 54: 581–86. 30 Osman I, Godden D, Friend J, Legge J, Douglas J. Quality of life and hospital re-admission in patients with chronic obstructive pulmonary disease. Thorax 1997; 52: 67–71. 31 Knox A, Zhu Y, Pang L. Do long-acting beta2-adrenoceptor agonists enhance the anti-inflammatory effect of glucocorticoids in asthma? Eur Respir J 2001; 17: 1059–61. 32 Dowson L, Newall C, Guest P, Hill S, Stockley R. Exercise capacity predicts health status in alpha(1)-antitrypsin deficiency. Am J Respir Crit Care Med 2001; 163: 936–41. 33 Barnes P. Scientific rationale for inhaled combination therapy with long-acting beta2-agonists and oral corticosteroids. Eur Respir J 2002; 19: 182–91. ARTICLES

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call