ซื้อwater solution for injection, 10 mL ampoule ,sodium chloride 900 mg/100 mL irrigation solution, 100 mL bottle,dextrose 5 g/10 mL solution for injection, 50 mL vial, thiamine 100 mg/1 mL solution for injection, 1 mL ampoule โดยวิธีตกลงราคา