4O' Donnell DE, Aaron S, Bourbeau J, et al. Canadian Thoracic Society recommendations for management of chronic obstructive pulmonary disease-2003[J]. Can Respir J, 2003, 10(Suppl A): 11-65.
5Mishima M, Oku Y, Muro S, et al. Relationship between dyspnea in daily life and psycho-physiologic state in patients with chronic obstructive pulmonary disease during long-term domiciliary oxygen therapy[J]. Intern Med, 1996 35(6) : 453 - 458.
6Katsura H, Yarnada K, Kida K. Usefulness of a linear analog scale questionnaire to measure health-related quality of life in elderly patients with chronic obstructive pulmonary disease [ J ]. J Am Geriatr Soc, 2003, 51(8) : 1131 - 1135.
7Hurd S, Pauwels R. Global Initiative for ChroniC Obstructive Lung Diseases (GOLD)[J]. Pulm Pharmacol Ther, 2002, 15(4): 353-355.
