ซื้อprednisolone 1 g/100 mL eye drops, solution, 5 mL bottle (51.99.99.99 -526545),gramicidin 25 mcg/1 mL + neomycin 1.75 mg/1 mL + polymyxin b sulfate 5000 iu/1 mL eye drops, solution, 5 mL bottle (51.99.99.99 -718091),timolol 500 mg/100 mL eye drops, solution, 5 mL bottle (51.99.99.99 -522696) โดยวิธีตกลงราคา