ซื้อantazoline 50 mg/100 mL + tetrahydrozoline 40 mg/100 mL eye drops, solution, 10 mL 3400 bottle (51.99.99.99 -529308),gramicidin 25 mcg/1 mL + neomycin sulfate 2 mg/1 mL + polymyxin b sulfate 5000 iu/1 mL eye drops, solution, 10 mL 1020 bottle (51.99.99.99 -700297) โดยวิธีตกลงราคา