Microbiological examination of herbal medicinal items for oral use and extracts used of their planning). Thông t? 27/2021/TT-BYT: Yêu c?u áp d?ng h? th?ng kê ??n thu?c ?i?n t?, b?t bu?c các c? s? y t? ph?i chuy?n ??i theo l? trình c? th? ?? ??m b?o minh