https://www.syu.ac.kr/pharmacy/2010/05/23/%ec%a0%9c2%ed%9a%8c-%eb%8c%80%ed%95%9c%eb%af%bc%ea%b5%ad-%ed%95%b4%ec%96%91%ec%98%81%ed%86%a0%eb%8c%80%ec%9e%a5%ec%a0%95-%ec%b0%b8%ea%b0%80%ec%9e%90-%eb%aa%a8%ec%a7%91-%ec%95%88%eb%82%b4/