因其可使多巴在外周神经处转为多巴胺,影响多巴进入脑组织,减少中枢神经系统的正常传导递质,肝性脑病患者禁用的维生素是( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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