COPD: Journal of Chronic Obstructive Pulmonary Disease

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 as half are unaware theyCOP4D adalah perusahaan Rusia yang telah beroperasi sejak 2003, berspesialisasi dalam produksi dan penyediaan suku cadang serta peralatan untuk