Trong n?a sau c?a th? k? 20, nh?ng tuyên truy?n ?nh h??ng x?u ??n s?c kh?e c?a thu?c lá b?t ??u tr? nên ph? bi?n và c?nh báo s?c kh?e xu?t hi?n trên các gói thu?c lá.A DAO's code is difficult to change as soon as the process is up and functioning, like bug fixes that would be normally trivial in centralized code. Corrections to your DAO re