End-Stage COPD (Stage IV): Symptoms, Treatments, Prognosis

cop4dCOPD can cause coughing that produces large amounts of a slimy substance called mucus .It can also cause breathing problems, shortness of breath, chest thtness,COPD: Journal of Chronic Obstructive Pulmonary Disease publishes a wide range of research to promote advances in the pathophysiology, genetics, diagnosis, pharmacological