I-brronchitis engapheli Izixazululo zemvelo ze-brronchitis I-COPD 6 Izindlela Zokuphatha I-brron Chronicle I-COPD Izimbangela Nezici Zengozi Ye-brronchitis I-COPD Indlela i-brronchitis isetshenziswa ngayo I-COPD Okubalulekile kwe-Bronchitis I-COPD