COP4D >> Layanan Produsen Komponen dan Peralatan Listrik

cop4dCOPD is a group of progressive lung diseases that includes emphysema and chronic bronchitis. Despite affecting an estimated 32 million people in the United States, as many asChronic obstructive pulmonary disease (COPD) is an umbrella term for a number of lung diseases that prevent proper breathing. Three of the most common COPD conditions are emphysema,