Evaluation the Combination of Daptomycin and a Beta-Lactam Antibiotic in Vancomycin-Resistant Enterococcal Bloodstream Infection: from in Vitro Experiments, in Vivo Animal Models to Clinical Implication = 評估合併使用達托黴素及乙內醯胺類抗生素於萬古黴素抗藥性腸球菌菌血症的治療: 從體外試驗,動物模型到臨床應用