Oxygen therapy for COPD is more than 60-70 years old. In this long period,

What is Chronic Bronchitis Cough? Bronchitis is the inflammation of the air

Bronchitis is the inflammation of the bronchial tubes (airways) in the lung

COPD or Chronic Oppressive Pulmonary Disorder is not a single condition. It

The respiratory function is carried out by specialized organs. These organs

Oxygen therapy for COPD is more than 60-70 years old. In this long period,