Association of depression with body mass index in patients with chronic obstructive pulmonary diseases

Pulmonary rehabilitation in chronic obstructive pulmonary disease

A study of cardiopulmonary exercise test in bronchial asthma and chronic obstructive pulmonary disease patients

Assessment of some endocrinal functions in chronic obstructive pulmonary disease

Somatic symptoms in depressive and anxiety disorders

Right sided heart changes and pulmonary hypertension in patients with chronic obstructive pulmonary disease

A bacteriological study in acute exacerbation of chronic obstructive pulmonary diseases patients

Lung functions after exposure to hypobaric hypoxia in patients with chronic obstructive pulmonary diseases

The incidence of chlamydia pneumoniae infection in patients with chronic obstructive pulmonary disease

A study of the efficacy of an inhaled long acting Beta2 stimulant in treatment of COPD