Ng??i tr?c ti?p bán thu?c kê ??n ph?i là d??c s? ??i h?c ?ã ???c c?p ch?ng ch? hành ngh? d??c. b) H??ng d?n vi?c s? d?ng thu?c, t? v?n ch? ?? dinh d??ng, ch? ?? sinh ho?t cho ng??i b?nh ho?c ng??i ??i di?n ng??i b?nh; h??ng d?n ng??i b?nh ho?c ng??i ??i di?n