four. Facilities making ready/dispersing/retailing medicine have to keep prescriptions which comprise antibiotics or anti-retroviral medicine for 01 (1) calendar year with the prescription day. The retention of prescriptions shall be made in one of the subsequent forms:Thông t? 52/2017/TT-BYT v? quy ??nh ??n thu?c và vi?c kê ??n thu?c hóa d??c,