United Kingdom Chronic Obstructive Pulmonary Disease Treatment Market by Treatment Type (Combination Therapy, Bronchodilators, Corticosteroids, Phosphodiester Type 4 Inhibitor, Mucokinetics, and Others), By Type (Chronic Bronchitis, and Emphysema), By Distribution Channel (Hospital Pharmacies, Retail Pharmacies, and Online Pharmacies), By Region, Competition, Forecast and Opportunities, 2028F