The aim of the research was to evaluate the efficacy of AG NPP709 in patients with Serious bronchitis variety Serious obstructive pulmonary condition (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 Extensive Châu.Sinh lý nam Sinh lý n? H? tr?