(2001) Global strategy for the diagnosis,management and prevention of chronic obstructive pulmonary disease,

(1985) Reassessment of inflammation of airway in chronic bronchitis,

(1978) The relation between structural changes in small airways and pulmonary-function tests,

(1972) The number and dimensions of small airways in emphysematous lungs,

(1968) Site and nature of airway obstruction in chronic obstructive lung disease,

(1993) Small airways dimensions in asthma and in chronic obstructive pulmonary disease,

(1989) The changes in airways structure associated with reduced forced expiratory volume in one second,

(1951) Mechanics of airflow in health and emphysema,

(1960) Physiological factors affecting airway resistance in normal subjects and in patients with obstructive airways disease,

Significance of the relationship between lung recoil and maximum expiratory flow,

(1981) Serum and sputum alpha 2 macroglobulin in patients with chronic obstructive airways disease,

(1968) Relation between airways obstruction and CO2 tension in chronic obstructive airways disease,

(1998) Pathophysiology of chronic obstructive pulmonary disease Management of chronic obstructive pulmonary disease,

(1992) Microscopic and macroscopic measurements of emphysema:relation to carbon monoxide gas transfer,

(1994) Pulmonary vascular abnormalities and ventilation-perfusion relationships in mild chronic obstructive pulmonary disease,

(1994) Pathophysiology of cor pulmonale in chronic obstructive pulmonary disease:part two,

(1983) Oxygen tension regulates the expression of angiogenesis factor by macrophages,

(1988) Pulmonary hypertension and right ventricular function in patients with COPD,

(1996) Systemic oxidative stress in asthma,COPD,and smokers,

(1996) Evidence for a relation between metabolic derangements and increased levels of inflammatory mediators in a subgroup of patients with chronic obstructive pulmonary disease,

(2000) The activity of cytochrome oxidase is increased in circulating lymphocytes of patients with chronic obstructive pulmonary disease,asthma,and chronic arthritis,

(1998) Cytochrome oxidase activity and mitochondrial gene expression in skeletal muscle of patients with chronic obstructive pulmonary disease,

(1999) Skeletal muscle dysfunction in chronic obstructive pulmonary disease,

(1998) Weight loss is a reversible factor in the prognosis of chronic obstructive pulmonary disease,

(2004) The body-mass index, airflow obstruction, dyspnea, nd exercise capacity index in chronic obstructive pulmonary disease,

(1994) Principles of exercise testing and interpretation,

(1992) Exercise capacity and ventilatory,circulatory,and symptom limitation in patients with chronic airflow limitation,

(1967) Weight changes in the terminal stages of chronic obstructive pulmonary disease:relation to respiratory function and prognosis,

(1993) Prevalence and characteristics of nutritional depletion in patients with stable COPD eligible for pulmonary rehabilitation,

(1999) Different patterns of chronic tissue wasting among patients with chronic obstructive pulmonary disease,

(1997) Total free living energy expenditure in patients with severe chronic obstructive pulmonary disease,

(1995) Oxygen cost of breathing in patients with emphysema or chronic bronchitis in acute respiratory failure,

(1999) Elevated O2 cost of ventilation contributes to tissue wasting in COPD,

(2000) Nutritional support for individuals with COPD:a meta-analysis,

(2003) Systemic effects of chronic obstructive pulmonary disease,

(1994) Tumor necrosis factor-alpha levels and weight loss in chronic obstructive pulmonary disease,

(1996) Elevated TNF-alpha production by peripheral blood monocytes of weight-losing COPD patients,

(1999) Circulating leptin in patients with chronic obstructive pulmonary disease,

(1987) Vertebral compression fractures and mineral metabolism in chronic obstructive lung disease,

(1992) Risk of osteoporosis in men with chronic bronchitis,

(1999) Declining bone mass in men with chronic pulmonary disease:contribution of glucocorticoid treatment,body mass index,and gonadal function,

(1990) Relationship of lung function to severity of osteoporosis in women,

(1998) Association between corticosteroid use and vertebral fractures in older men with chronic obstructive pulmonary disease,

(2004) Impact of long-term inhaled corticosteroid therapy on bone mineral density:results of a meta-analysis,

(1994) Airway eosinophilia in chronic bronchitis during exacerbations,

(1996) Airway eosinophilia and expression of interleukin-5 protein in asthma and in exacerbations of chronic bronchitis,

(1997) Markers of inflammation in induced sputum in acute bronchitis caused by Chlamydia pneumoniae,

(1998) Sputum eosinophilia predicts benefit from prednisone in smokers with chronic obstructive bronchitis,

(1995) Comparison of leukocyte counts in sputum,bronchial biopsies,and bronchoalveolar lavage,

(1995) Exacerbations of asthma without sputum eosinophilia,

(1995) Prominent neutrophilic inflammation in sputum from subjects with asthma exacerbation,

(1997) Mechanisms of worsening gas exchange during acute exacerbations of chronic obstructive pulmonary disease,

(2000) Time course and recovery of exacerbations in patients with chronic obstructive pulmonary diseases,

(1989) Acute or chronic respiratory failure:assessment and management of patients with COPD in the emergency setting,

(1994) Pulmonary gas exchange in acute respiratory failure,