ซื้อ1. Aluminum hydroxide 300 mg + magnesium hydroxide 250 mg tablet,50x10s 2. Povidone iodine Solution 1 g/100 ml , 450 ml bottle 3. Povidone iodine Scrub 7.5 g/100 ml, 450 ml bottle โดยวิธีเฉพาะเจาะจง