7Dinesen T, McDonald L, McDonald S, et al. A comparison of the OxyArm oxygen delivery device and standard nasal cannulae in chronic obstructive pulmonary disease patients. Respir Care,2003, 48(2): 120-123.
5[7]GallefossF,Bakke,PS.Impact of patient education and self-management on morbidity in asthmatics and patients with chronic obstructive pulmonary disease.Respir,Med, 2000,94(3):279.