ประกวดราคาซื้อยา calcium chloride dihydrate 18.3 mg/100 mL + dextrose 2.5 g/100 mL + magnesium chloride hexahydrate 5.08 mg/100 mL + sodium chloride 538 mg/100 mL + sodium lactate 448 mg/100 mL solution for peritoneal dialysis, 5 L bag