The intention of this research was To judge the efficacy of AG NPP709 in individuals with Continual bronchitis variety Long-term obstructive pulmonary ailment (COPD).T?t nghi?p ??i h?c D??c Hà N?i, nhi?u n?m ??m nhi?m v? trí t? v?n d??c ph?m và s?c kh?e. Hi?n ?ang là gi?ng viên cho D??c s? t?i Nhà thu?c Long Châu.We didn't exclude asthma or