(1995) Standards for the diagnosis and care of patients with chronic obstructive pulmonary disease,

(1995) Optimal assessment and management of chronic obstructive pulmonary disease(COPD),

(2001) Global Initiative for Chronic Obstructive Lung Disease Global strategy for the diagnosis and prevention of chronic obstructive pulmo nary disease National Institutes of Health,

(1995) A comparison of the bronchodilating effects of salmeterol,salbutamol and ipratropium bromide in patients with chronic obs tructive pulmonary disease,

(1999) Efficacy of salme terol xinafoate in the treatment of COPD,

(2001) Use of a long- acting inhaled beta2-adrenergic agonist,salmeterol xinafoate,in patients with chronic obstructive pul monary disease,

(1989) Standard and double dose ipratropium bromide and combined ipratropium bromide and inhaled meta proterenol in COPD,

(amrevrespirdis1984) Role of the parasympathetic system in airway obstruction due to emphysema,

(1988) Ipratropium bromide,

(1995) a pharmaco dynamic study in patients with chronic obstructive pulmonary disease,

(1995) Tiotropium bromide(Ba 679 Br)a novel long-acting muscarinic antagonist for the treatment of obstructive airways disease,

(1999) Tiotropium(Spiriva)mechanistical con siderations and clinical profile in obstructive lung disease,

(2000) Long-acting bro nchodilation with once daily dosing of tiotropium(Spiriva)in stable COPD,

(2000) The spirometric efficacy of once-daily dosing with tiotropium in stable COPD:a 13-week multicenter trial,

(1987) A measure of quality of life for clinical trials in chronic lung disease,

(2002) A 6-month,placebo- controlled study comparing lung function and health status changes in COPD patients treated with tio tropium or salmeterol,

(1995) Rapid onset of tolerance to the bronchoprotective effect of salmeterol,

(2001) Tolerance to the protective effect of salmeterol on allergen challenge can be partially restored by the withdrawal of salmeterol regular treatment,

(2002) Improved health outcomes in patients with COPD during 1 yr's treat ment with tiotropium,

(2000) A randomised controlled comparison of tiotropium and ipratropium in the treatment of COPD,

(2000) A randomised controlled comparison of tiotropium and ipratropium in the treatment of COPD,

Anticholinergic, antimusca rinic bronchodilators,