Background: The benefit of corticosteroids in community-acquired pneumonia (CAP) remains controversial.We did a meta-ana......

目的 评估术前放疗对可切除直肠癌患者远期生存率的影响,探讨术前放疗在可切除直肠癌患者中的临床应用价值.方法 通过在Pubmed及CN......