https://blog.gongquiz.com/2021/11/26/2-ast-%ed%9d%ac%ec%84%9d%ec%95%bd%eb%ac%bc-%eb%a7%8c%eb%93%a4%ea%b8%b0-%e2%85%b8/
#2 AST 희석약물 만들기 ⅸ