the first four agent medicines were antibacterials, vitamin K1, nicholin and radix salviae miltiorrhizae, the frequences of use were 97.7%, 94.6%, 93.0%, a...

• 药物使用前4位为抗菌药物、维生素K1、胞二磷胆碱、丹参；使用频率分别为97.；7%25、94