SutherlandERCherniackRM. Management of chronic obstructive lung disease. N Engl J Med2004; 350:2689–97.
2.
BurgePSCalverleyPMJonesPWSpencerSAndersonJAMaslenTK. Randomised, double blind, placebo controlled study of fluticasone propionate in patients with moderate to severe chronic obstructive pulmonary disease: The ISOLDE trial. BMJ2000; 320:1297–303.
3.
CalverleyPMPauwelsRAVestboJJonesPPrideNGulsvikA. Combined salmeterol and fluticasone in the treatment of chronic obstructive pulmonary disease: Randomised controlled study. Lancet2003; 361:449–56.
4.
SzafranskiWCukierARamirezAMengaGSansoresKNahabedianS. Efficacy and safety of budesonide/formoterol in the management of chronic obstructive lung disease. Eur Respir J2003; 21:74–81.