Ng??i có ti?n s? d? ?ng v?i ??ng v?t có v? nên th?n tr?ng khi s? d?ng.Your query is gained and may be answered soon. Make sure you never post a similar question once again.K?m ? d?ng vô c?: K?m sulfat – khi vào c? th? b? phá v? ? d? dày, ru?t non tr? thành k?m th?ng sau ?ó ???c h?p thu tr?c ti?p. K?m oxit – b? sung d?ng ???ng u?ng th??